{"id":2752,"date":"2014-12-13T01:47:46","date_gmt":"2014-12-12T23:47:46","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=2752"},"modified":"2015-01-11T13:06:39","modified_gmt":"2015-01-11T11:06:39","slug":"%cf%83%cf%85%ce%bd%ce%b4%ce%b5%cf%83%ce%b7-%ce%b1%ce%bd%cf%84%ce%b9%cf%83%cf%84%ce%ac%cf%83%ce%b5%cf%89%ce%bd-online","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=2752","title":{"rendered":"\u03a3\u03c5\u03bd\u03b4\u03b5\u03c3\u03b7 \u0391\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd Online"},"content":{"rendered":"<script type=\"text\/javascript\" >\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \nif(!window.jQuery) alert(\"The important jQuery library is not properly loaded in your site. Your WordPress theme is probably missing the essential wp_head() call. You can switch to another theme and you will see that the plugin works fine and this notice disappears. If you are still not sure what to do you can contact us for help.\");\n});\n<\/script>  \n  \n<div  id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam19\" style=\"display:none;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n<div class=\"watupro-exam-description\" id=\"description-quiz-19\"><p>\u039f\u03b9 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 True-False (\u03a3\u03c9\u03c3\u03c4\u03bf\u03cd-\u039b\u03ac\u03b8\u03bf\u03c5\u03c2) \u03b2\u03b1\u03b8\u03bc\u03bf\u03bb\u03bf\u03b3\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc 0,5 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03c5\u03c0\u03cc\u03bb\u03bf\u03b9\u03c0\u03b5\u03c2 \u03b1\u03c0\u03cc 2 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2.<\/p>\n<p>\u038c\u03c4\u03b1\u03bd \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03ac\u03c4\u03b1 \u03c4\u03bf \"\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1\" \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b1 \u03b8\u03b1 \u03b4\u03b5\u03b9\u03c2 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03ae \u03c3\u03bf\u03c5 \u03bc\u03b5 \u03ac\u03c1\u03b9\u03c3\u03c4\u03b1 \u03c4\u03bf 20.<\/p>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-19\"  enctype=\"multipart\/form-data\" >\n<p><label>Enter email to receive results:<\/label> <input type='text' size='30' name='watupro_taker_email' id='watuproTakerEmail19' class='watupro-autogenerated'><\/p><div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-160'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>\u03a3\u03c4\u03b7 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c3\u03b5 \u03c3\u03b5\u03b9\u03c1\u03ac \u03bf\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b5\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03ba\u03bf\u03b9\u03bd\u03ae \u03c4\u03ac\u03c3\u03b7.<\/div><input type='hidden' name='question_id[]' id='qID_1' value='160' \/><input type='hidden' id='answerType160' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-160[]' id='answer-id-504' class='answer   answerof-160 ' value='504'   \/><label for='answer-id-504' id='answer-label-504' class=' answer'><span>True<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-160[]' id='answer-id-505' class='answer   answerof-160 ' value='505'   \/><label for='answer-id-505' id='answer-label-505' class=' answer'><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-2' style=';'><div id='questionWrap-2'  class='   watupro-question-id-161'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>\u03a3\u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03b7 \u03bf\u03bb\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b4\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-e7d3f75f80c05746b770cd1aec7f475e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#82;&#95;&#123;&#111;&#32;&#92;&#108;&#97;&#109;&#98;&#100;&#97;&#125;&#32;&#61;&#32;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#82;&#95;&#49;&#125;&#32;&#43;&#32;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#82;&#95;&#50;&#125;&#32;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"108\" style=\"vertical-align: -14px;\"\/>.<\/div><input type='hidden' name='question_id[]' id='qID_2' value='161' \/><input type='hidden' id='answerType161' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-161[]' id='answer-id-506' class='answer   answerof-161 ' value='506'   \/><label for='answer-id-506' id='answer-label-506' class=' answer'><span>True<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-161[]' id='answer-id-507' class='answer   answerof-161 ' value='507'   \/><label for='answer-id-507' id='answer-label-507' class=' answer'><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-3' style=';'><div id='questionWrap-3'  class='   watupro-question-id-162'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>\u039c\u03af\u03b1 \u03bc\u03c0\u03b1\u03c4\u03b1\u03c1\u03af\u03b1\u00a0 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03b5\u03af \u03ad\u03bd\u03b1\u03bd \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b7 \u03bc\u03b5 \u03c1\u03b5\u03cd\u03bc\u03b1 2\u0391. \u0391\u03bd \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03b5 \u03c3\u03b5\u03b9\u03c1\u03ac \u03ad\u03bd\u03b1\u03bd \u03cc\u03bc\u03bf\u03b9\u03bf \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b7, \u03c4\u03cc\u03c4\u03b5 \u03b8\u03b1 \u03c0\u03b5\u03c1\u03ac\u03c3\u03b5\u03b9 \u03c1\u03b5\u03cd\u03bc\u03b1 1\u0391.<\/div><input type='hidden' name='question_id[]' id='qID_3' value='162' \/><input type='hidden' id='answerType162' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-162[]' id='answer-id-508' class='answer   answerof-162 ' value='508'   \/><label for='answer-id-508' id='answer-label-508' class=' answer'><span>True<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-162[]' id='answer-id-509' class='answer   answerof-162 ' value='509'   \/><label for='answer-id-509' id='answer-label-509' class=' answer'><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-4' style=';'><div id='questionWrap-4'  class='   watupro-question-id-163'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>\u0391\u03bd \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03b4\u03cd\u03bf \u03cc\u03bc\u03bf\u03b9\u03bf\u03c5\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b5\u03c2, \u03c4\u03cc\u03c4\u03b5 \u03b7 \u03b9\u03c3\u03bf\u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b4\u03b9\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9.<\/div><input type='hidden' name='question_id[]' id='qID_4' value='163' \/><input type='hidden' id='answerType163' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-163[]' id='answer-id-510' class='answer   answerof-163 ' value='510'   \/><label for='answer-id-510' id='answer-label-510' class=' answer'><span>True<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-163[]' id='answer-id-511' class='answer   answerof-163 ' value='511'   \/><label for='answer-id-511' id='answer-label-511' class=' answer'><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-5' style=';'><div id='questionWrap-5'  class='   watupro-question-id-166'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>\u0391\u03bd \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b4\u03cd\u03bf \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b5\u03c2 \u03c3\u03b5 \u03c3\u03b5\u03b9\u03c1\u03ac, \u03c4\u03cc\u03c4\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03c1\u03b5\u03cd\u03bc\u03b1.<\/div><input type='hidden' name='question_id[]' id='qID_5' value='166' \/><input type='hidden' id='answerType166' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-166[]' id='answer-id-516' class='answer   answerof-166 ' value='516'   \/><label for='answer-id-516' id='answer-label-516' class=' answer'><span>True<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-166[]' id='answer-id-517' class='answer   answerof-166 ' value='517'   \/><label for='answer-id-517' id='answer-label-517' class=' answer'><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-6' style=';'><div id='questionWrap-6'  class='   watupro-question-id-167'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>\u03a3\u03b5 \u03bc\u03af\u03b1 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03b4\u03cd\u03bf \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03b1\u03c4\u03ce\u03bd \u03b7 \u03c4\u03ac\u03c3\u03b7 \u03c3\u03c4\u03b1 \u03ac\u03ba\u03c1\u03b1 \u03c4\u03bf\u03c5 \u03b5\u03bd\u03cc\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03b4\u03b9\u03b1 \u03bc\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03c4\u03ac\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2.<\/div><input type='hidden' name='question_id[]' id='qID_6' value='167' \/><input type='hidden' id='answerType167' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-167[]' id='answer-id-518' class='answer   answerof-167 ' value='518'   \/><label for='answer-id-518' id='answer-label-518' class=' answer'><span>True<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-167[]' id='answer-id-519' class='answer   answerof-167 ' value='519'   \/><label for='answer-id-519' id='answer-label-519' class=' answer'><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-7' style=';'><div id='questionWrap-7'  class='   watupro-question-id-164'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>\u039f\u03b9 \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03b2\u03bf\u03bb\u03c4\u03bf\u03bc\u03ad\u03c4\u03c1\u03c9\u03bd \u03c3\u03c4\u03b1 \u03ac\u03ba\u03c1\u03b1 \u03c4\u03c9\u03bd R<sub>1<\/sub> \u03ba\u03b1\u03b9 R<sub>2<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 8V \u03ba\u03b1\u03b9 4V \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03b7 R<sub>1<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd R<sub>2<\/sub>.<br \/>\r\n<br \/>\r\n<a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2758 aligncenter\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image2-300x259.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 5\" width=\"276\" height=\"239\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image2-300x259.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image2-1024x887.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image2.jpg 1604w\" sizes=\"auto, (max-width: 276px) 100vw, 276px\" \/><\/a><\/div><input type='hidden' name='question_id[]' id='qID_7' value='164' \/><input type='hidden' id='answerType164' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-164[]' id='answer-id-512' class='answer   answerof-164 ' value='512'   \/><label for='answer-id-512' id='answer-label-512' class=' answer'><span>True<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-164[]' id='answer-id-513' class='answer   answerof-164 ' value='513'   \/><label for='answer-id-513' id='answer-label-513' class=' answer'><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-8' style=';'><div id='questionWrap-8'  class='   watupro-question-id-165'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>\u039f\u03b9 \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03b1\u03bc\u03c0\u03b5\u03c1\u03bf\u03bc\u03ad\u03c4\u03c1\u03c9\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03bf\u03c5\u03bd \u03c4\u03bf\u03c5\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b5\u03c2 R<sub>1<\/sub> \u03ba\u03b1\u03b9 R<sub>2<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 2\u0391 \u03ba\u03b1\u03b9 4\u0391 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1. \u03a4\u03cc\u03c4\u03b5 \u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 R<sub>1<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd R<sub>2<\/sub>.<br \/>\r\n<br \/>\r\n<a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2761 aligncenter\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image3-300x191.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 6\" width=\"332\" height=\"211\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image3-300x191.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image3-1024x653.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image3.jpg 1775w\" sizes=\"auto, (max-width: 332px) 100vw, 332px\" \/><\/a><\/div><input type='hidden' name='question_id[]' id='qID_8' value='165' \/><input type='hidden' id='answerType165' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-165[]' id='answer-id-514' class='answer   answerof-165 ' value='514'   \/><label for='answer-id-514' id='answer-label-514' class=' answer'><span>True<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-165[]' id='answer-id-515' class='answer   answerof-165 ' value='515'   \/><label for='answer-id-515' id='answer-label-515' class=' answer'><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-9' style=';'><div id='questionWrap-9'  class='   watupro-question-id-168'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>\u0391\u03bd \u03bf\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 10\u03a9 \u03ba\u03b1\u03b9 15\u03a9 \u03c3\u03c5\u03bd\u03b4\u03b5\u03b8\u03bf\u03cd\u03bd \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1, \u03b7 \u03b9\u03c3\u03bf\u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9:<\/div><input type='hidden' name='question_id[]' id='qID_9' value='168' \/><input type='hidden' id='answerType168' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-168[]' id='answer-id-520' class='answer   answerof-168 ' value='520'   \/><label for='answer-id-520' id='answer-label-520' class=' answer'><span>25\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-168[]' id='answer-id-521' class='answer   answerof-168 ' value='521'   \/><label for='answer-id-521' id='answer-label-521' class=' answer'><span>15\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-168[]' id='answer-id-522' class='answer   answerof-168 ' value='522'   \/><label for='answer-id-522' id='answer-label-522' class=' answer'><span>10\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-168[]' id='answer-id-523' class='answer   answerof-168 ' value='523'   \/><label for='answer-id-523' id='answer-label-523' class=' answer'><span>6\u03a9<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-10' style=';'><div id='questionWrap-10'  class='   watupro-question-id-169'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>\u039f\u03b9 \u03b4\u03cd\u03bf \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 R<sub>1<\/sub> \u03ba\u03b1\u03b9 R<sub>2 <\/sub>\u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1 10\u03a9 \u03ba\u03b1\u03b9 5\u03a9 \u03ba\u03b1\u03b9 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03ac\u03c3\u03b7 60V. \u03a0\u03bf\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03ad\u03bd\u03b4\u03b5\u03b9\u03be\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03bc\u03c0\u03b5\u03c1\u03cc\u03bc\u03b5\u03c4\u03c1\u03bf\u03c5;<br \/>\r\n<br \/>\r\n<a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image4.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2762 aligncenter\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image4-300x228.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 10\" width=\"272\" height=\"207\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image4-300x228.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image4-1024x781.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image4.jpg 1589w\" sizes=\"auto, (max-width: 272px) 100vw, 272px\" \/><\/a><\/div><input type='hidden' name='question_id[]' id='qID_10' value='169' \/><input type='hidden' id='answerType169' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-169[]' id='answer-id-524' class='answer   answerof-169 ' value='524'   \/><label for='answer-id-524' id='answer-label-524' class=' answer'><span>6A<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-169[]' id='answer-id-525' class='answer   answerof-169 ' value='525'   \/><label for='answer-id-525' id='answer-label-525' class=' answer'><span>12A<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-169[]' id='answer-id-526' class='answer   answerof-169 ' value='526'   \/><label for='answer-id-526' id='answer-label-526' class=' answer'><span>4A<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-169[]' id='answer-id-527' class='answer   answerof-169 ' value='527'   \/><label for='answer-id-527' id='answer-label-527' class=' answer'><span>2A<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-11' style=';'><div id='questionWrap-11'  class='   watupro-question-id-170'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>11. <\/span>\u039f\u03b9 \u03b4\u03cd\u03bf \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 R<sub>1<\/sub> \u03ba\u03b1\u03b9 R<sub>2<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1 6\u03a9 \u03ba\u03b1\u03b9 3\u03a9 \u03ba\u03b1\u03b9 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03ac\u03c3\u03b7 60V. \u03a0\u03bf\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03ad\u03bd\u03b4\u03b5\u03b9\u03be\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03bc\u03c0\u03b5\u03c1\u03cc\u03bc\u03b5\u03c4\u03c1\u03bf\u03c5;<br \/>\r\n<br \/>\r\n<div id=\"attachment_2763\" style=\"width: 286px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image5.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2763\" class=\"wp-image-2763\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image5-300x243.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 11\" width=\"276\" height=\"224\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image5-300x243.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image5-1024x832.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image5.jpg 1701w\" sizes=\"auto, (max-width: 276px) 100vw, 276px\" \/><\/a><p id=\"caption-attachment-2763\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 11<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_11' value='170' \/><input type='hidden' id='answerType170' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-170[]' id='answer-id-528' class='answer   answerof-170 ' value='528'   \/><label for='answer-id-528' id='answer-label-528' class=' answer'><span>30\u0391<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-170[]' id='answer-id-529' class='answer   answerof-170 ' value='529'   \/><label for='answer-id-529' id='answer-label-529' class=' answer'><span>20\u0391<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-170[]' id='answer-id-530' class='answer   answerof-170 ' value='530'   \/><label for='answer-id-530' id='answer-label-530' class=' answer'><span>10\u0391<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-170[]' id='answer-id-531' class='answer   answerof-170 ' value='531'   \/><label for='answer-id-531' id='answer-label-531' class=' answer'><span>5\u0391<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-12' style=';'><div id='questionWrap-12'  class='   watupro-question-id-174'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>12. <\/span>\u039f\u03b9 \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03bf\u03c1\u03b3\u03ac\u03bd\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 24V \u03ba\u03b1\u03b9 2\u0391. \u0391\u03bd \u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 R<sub>1<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5 8\u03a9, \u03c0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 R<sub>2<\/sub>;<br \/>\r\n<br \/>\r\n<a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image9.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2769 aligncenter\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image9-300x261.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 12\" width=\"284\" height=\"247\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image9-300x261.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image9-1024x892.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image9.jpg 1408w\" sizes=\"auto, (max-width: 284px) 100vw, 284px\" \/><\/a><\/div><input type='hidden' name='question_id[]' id='qID_12' value='174' \/><input type='hidden' id='answerType174' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-174[]' id='answer-id-544' class='answer   answerof-174 ' value='544'   \/><label for='answer-id-544' id='answer-label-544' class=' answer'><span>12\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-174[]' id='answer-id-545' class='answer   answerof-174 ' value='545'   \/><label for='answer-id-545' id='answer-label-545' class=' answer'><span>4\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-174[]' id='answer-id-546' class='answer   answerof-174 ' value='546'   \/><label for='answer-id-546' id='answer-label-546' class=' answer'><span>3\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-174[]' id='answer-id-547' class='answer   answerof-174 ' value='547'   \/><label for='answer-id-547' id='answer-label-547' class=' answer'><span>2\u03a9<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-13' style=';'><div id='questionWrap-13'  class='   watupro-question-id-175'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>13. <\/span>\u039f\u03b9 \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03bf\u03c1\u03b3\u03ac\u03bd\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 12V \u03ba\u03b1\u03b9 6\u0391. \u0391\u03bd \u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 R<sub>1<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 3\u03a9, \u03c0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 R<sub>2<\/sub>;<br \/>\r\n<br \/>\r\n<div id=\"attachment_2770\" style=\"width: 291px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image10.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2770\" class=\"wp-image-2770\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image10-300x278.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 13\" width=\"281\" height=\"260\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image10-300x278.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image10-1024x951.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image10.jpg 1365w\" sizes=\"auto, (max-width: 281px) 100vw, 281px\" \/><\/a><p id=\"caption-attachment-2770\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 13<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_13' value='175' \/><input type='hidden' id='answerType175' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-175[]' id='answer-id-548' class='answer   answerof-175 ' value='548'   \/><label for='answer-id-548' id='answer-label-548' class=' answer'><span>6\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-175[]' id='answer-id-549' class='answer   answerof-175 ' value='549'   \/><label for='answer-id-549' id='answer-label-549' class=' answer'><span>4\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-175[]' id='answer-id-550' class='answer   answerof-175 ' value='550'   \/><label for='answer-id-550' id='answer-label-550' class=' answer'><span>2\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-175[]' id='answer-id-551' class='answer   answerof-175 ' value='551'   \/><label for='answer-id-551' id='answer-label-551' class=' answer'><span>1\u03a9<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-14' style=';'><div id='questionWrap-14'  class='   watupro-question-id-171'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>14. <\/span>To \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03ac\u03c3\u03b7 60V, \u03c4\u03bf \u03b2\u03bf\u03bb\u03c4\u03cc\u03bc\u03b5\u03c4\u03c1\u03bf \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 40V \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b1\u03bc\u03c0\u03b5\u03c1\u03cc\u03bc\u03b5\u03c4\u03c1\u03bf 5\u0391. \u0395\u03c0\u03ad\u03bb\u03b5\u03be\u03b5 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2:<br \/>\r\n<br \/>\r\n<a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image6.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2764 aligncenter\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image6-300x263.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 12\" width=\"273\" height=\"240\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image6-300x263.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image6-1024x900.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image6.jpg 1528w\" sizes=\"auto, (max-width: 273px) 100vw, 273px\" \/><\/a><\/div><input type='hidden' name='question_id[]' id='qID_14' value='171' \/><input type='hidden' id='answerType171' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-171[]' id='answer-id-532' class='answer   answerof-171 watupro_max_selections-3' value='532'  onclick='return WatuPRO.maxSelections(171,3, this);' \/><label for='answer-id-532' id='answer-label-532' class=' answer'><span>\u0397 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 R<sub>1<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5 8\u03a9.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-171[]' id='answer-id-533' class='answer   answerof-171 watupro_max_selections-3' value='533'  onclick='return WatuPRO.maxSelections(171,3, this);' \/><label for='answer-id-533' id='answer-label-533' class=' answer'><span>\u0397 \u03c4\u03ac\u03c3\u03b7 \u03c3\u03c4\u03b1 \u03ac\u03ba\u03c1\u03b1 \u03c4\u03b7\u03c2  R<sub>2<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5 20V.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-171[]' id='answer-id-534' class='answer   answerof-171 watupro_max_selections-3' value='534'  onclick='return WatuPRO.maxSelections(171,3, this);' \/><label for='answer-id-534' id='answer-label-534' class=' answer'><span>\u0397 \u03b9\u03c3\u03bf\u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 R<sub>\u03bf\u03bb<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b512\u03a9.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-171[]' id='answer-id-535' class='answer   answerof-171 watupro_max_selections-3' value='535'  onclick='return WatuPRO.maxSelections(171,3, this);' \/><label for='answer-id-535' id='answer-label-535' class=' answer'><span>\u0397 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7  R<sub>2<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 6\u0391<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-15' style=';'><div id='questionWrap-15'  class='   watupro-question-id-172'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>15. <\/span>\u039f\u03b9 \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03c4\u03c1\u03b9\u03ce\u03bd \u03bf\u03c1\u03b3\u03ac\u03bd\u03c9\u03bd \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 12V, 20V \u03ba\u03b1\u03b9 2\u0391, \u03cc\u03c0\u03c9\u03c2 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03b7 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1. \u03a0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 R<sub>2<\/sub>;<br \/>\r\n<br \/>\r\n<a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image7.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2765 aligncenter\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image7-300x282.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 13\" width=\"258\" height=\"242\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image7-300x282.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image7-1024x965.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image7.jpg 1429w\" sizes=\"auto, (max-width: 258px) 100vw, 258px\" \/><\/a><\/div><input type='hidden' name='question_id[]' id='qID_15' value='172' \/><input type='hidden' id='answerType172' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-172[]' id='answer-id-536' class='answer   answerof-172 ' value='536'   \/><label for='answer-id-536' id='answer-label-536' class=' answer'><span>10\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-172[]' id='answer-id-537' class='answer   answerof-172 ' value='537'   \/><label for='answer-id-537' id='answer-label-537' class=' answer'><span>6\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-172[]' id='answer-id-538' class='answer   answerof-172 ' value='538'   \/><label for='answer-id-538' id='answer-label-538' class=' answer'><span>5\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-172[]' id='answer-id-539' class='answer   answerof-172 ' value='539'   \/><label for='answer-id-539' id='answer-label-539' class=' answer'><span>4\u03a9<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-16' style=';'><div id='questionWrap-16'  class='   watupro-question-id-173'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>16. <\/span>\u0397 \u03c0\u03b7\u03b3\u03ae \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03b5\u03af \u03c4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03bc\u03b5 24V \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03bf\u03c1\u03b3\u03ac\u03bd\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 5\u0391 \u03ba\u03b1\u03b9 2\u0391, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1. \u03a0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 R<sub>2<\/sub>;<br \/>\r\n<br \/>\r\n<a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image8.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2768 aligncenter\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image8-300x240.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 14\" width=\"301\" height=\"241\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image8-300x240.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image8-1024x821.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/12\/image8.jpg 1612w\" sizes=\"auto, (max-width: 301px) 100vw, 301px\" \/><\/a><\/div><input type='hidden' name='question_id[]' id='qID_16' value='173' \/><input type='hidden' id='answerType173' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-173[]' id='answer-id-540' class='answer   answerof-173 ' value='540'   \/><label for='answer-id-540' id='answer-label-540' class=' answer'><span>12\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-173[]' id='answer-id-541' class='answer   answerof-173 ' value='541'   \/><label for='answer-id-541' id='answer-label-541' class=' answer'><span>4,8\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-173[]' id='answer-id-542' class='answer   answerof-173 ' value='542'   \/><label for='answer-id-542' id='answer-label-542' class=' answer'><span>8\u03a9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-173[]' id='answer-id-543' class='answer   answerof-173 ' value='543'   \/><label for='answer-id-543' id='answer-label-543' class=' answer'><span>2,4\u03a9<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-17'>\n\t<div class='question-content'>\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\" \/>&nbsp;Loading...\t<\/div>\n<\/div>\n\n<br \/>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons19\">\n\t\t  <div id=\"prev-question\" 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168:520,521,522,523 | 169:524,525,526,527 | 170:528,529,530,531 | 174:544,545,546,547 | 175:548,549,550,551 | 171:532,533,534,535 | 172:536,537,538,539 | 173:540,541,542,543\" \/>\n\t<input type=\"hidden\" name=\"no_ajax\" value=\"0\">\t\t\t<\/form>\n\t<p>&nbsp;<\/p>\n<\/div>\n\n<form method=\"post\" id=\"watuproTimerForm19\">\n\t<!-- watupro-hidden-fields -->\n\t<input type=\"hidden\" name=\"watupro_start_timer\" value=\"0\">\n\t<input type=\"hidden\" name=\"watupro_taker_email\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_name\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_phone\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_company\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_field1\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_field2\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_checkbox\" value=\"1\">\n\t<input type=\"hidden\" name=\"watupro_diff_level\" value=\"\">\n<\/form>\n<script 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