{"id":1552,"date":"2014-05-17T19:28:09","date_gmt":"2014-05-17T17:28:09","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=1552"},"modified":"2014-05-17T19:29:07","modified_gmt":"2014-05-17T17:29:07","slug":"3%ce%bf-%ce%ba%cf%81%ce%b9%cf%84%ce%ae%cf%81%ce%b9%ce%bf-online-%cf%83%cf%84%ce%b7-%ce%b3-%ce%b3%cf%85%ce%bc%ce%bd%ce%b1%cf%83%ce%af%ce%bf%cf%85","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=1552","title":{"rendered":"3\u03bf \u039a\u03c1\u03b9\u03c4\u03ae\u03c1\u03b9\u03bf Online \u03c3\u03c4\u03b7 \u0393\u0384 \u0393\u03c5\u03bc\u03bd\u03b1\u03c3\u03af\u03bf\u03c5"},"content":{"rendered":"<p><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=\"submittingExam9\" 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-9\"><p>\u039f\u03b9 10 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03cd\u03bb\u03b7 \u03c4\u03b7\u03c2 \u0393\u00b4 \u03b3\u03c5\u03bc\u03bd\u03b1\u03c3\u03af\u03bf\u03c5 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1 \u03ad\u03c9\u03c2 \u03c4\u03b1 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ac \u03ba\u03cd\u03bc\u03b1\u03c4\u03b1.<\/p>\n<p>\u038c\u03c4\u03b1\u03bd \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03ac\u03c4\u03b7\u03c3\u03b5 \u03c4\u03bf \"\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1\" \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b5\u03b9\u03c2 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03ae \u03c3\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2.<\/p>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-9\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-82'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>\u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03c6\u03c1\u03ac\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03c0\u03bb\u03b7\u03c1\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03cc\u03c4\u03b1\u03c3\u03b7.<br \/>\r\n<br \/>\r\n\u03a4\u03b1 \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03cc\u03bd\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03cc\u03bd\u03b9\u03b1:<\/div><input type='hidden' name='question_id[]' id='qID_1' value='82' \/><input type='hidden' id='answerType82' 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-82[]' id='answer-id-267' class='answer   answerof-82 ' value='267'   \/><label for='answer-id-267' id='answer-label-267' class=' answer'><span>\u03c4\u03c9\u03bd \u03bc\u03b5\u03c4\u03ac\u03bb\u03bb\u03c9\u03bd.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-82[]' id='answer-id-268' class='answer   answerof-82 ' value='268'   \/><label for='answer-id-268' id='answer-label-268' class=' answer'><span>\u03c0\u03bf\u03c5 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03b1 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c4\u03bc\u03cc\u03c3\u03c6\u03b1\u03b9\u03c1\u03b1.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-82[]' id='answer-id-269' class='answer   answerof-82 ' value='269'   \/><label for='answer-id-269' id='answer-label-269' class=' answer'><span>\u03c0\u03bf\u03c5 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03b9\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b7\u03b3\u03ad\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-82[]' id='answer-id-270' class='answer   answerof-82 ' value='270'   \/><label for='answer-id-270' id='answer-label-270' class=' answer'><span>\u03c4\u03b7\u03c2 \u03b5\u03be\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c4\u03bf\u03b9\u03b2\u03ac\u03b4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b1\u03c4\u03cc\u03bc\u03c9\u03bd \u03c4\u03c9\u03bd \u03bc\u03b5\u03c4\u03ac\u03bb\u03bb\u03c9\u03bd.<\/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-83'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>\u039f\u03b9 \u03c4\u03c1\u03b5\u03b9\u03c2 \u03bb\u03ac\u03bc\u03c0\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03af\u03c3\u03b5\u03c2 \u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 (\u03b5\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03af\u03c3\u03b5\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2) \u03ba\u03b1\u03b9 \u03bf \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc\u03c2. \u0391\u03bd \u03ba\u03bb\u03b5\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7, \u03c4\u03cc\u03c4\u03b5:<br \/>\r\n<br \/>\r\n<div id=\"attachment_1555\" style=\"width: 340px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image15.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1555\" class=\" wp-image-1555\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image15-300x228.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 2\" width=\"330\" height=\"251\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image15-300x228.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image15.jpg 942w\" sizes=\"auto, (max-width: 330px) 100vw, 330px\" \/><\/a><p id=\"caption-attachment-1555\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 2<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_2' value='83' \/><input type='hidden' id='answerType83' 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-83[]' id='answer-id-271' class='answer   answerof-83 watupro_max_selections-3' value='271'  onclick='return WatuPRO.maxSelections(83,3, this);' \/><label for='answer-id-271' id='answer-label-271' class=' answer'><span>\u03a4\u03bf \u03c1\u03b5\u03cd\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c1\u03c1\u03ad\u03b5\u03b9 \u03c4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-83[]' id='answer-id-272' class='answer   answerof-83 watupro_max_selections-3' value='272'  onclick='return WatuPRO.maxSelections(83,3, this);' \/><label for='answer-id-272' id='answer-label-272' class=' answer'><span>\u0397 \u03bb\u03ac\u03bc\u03c0\u03b1 (2) \u03c0\u03b1\u03cd\u03b5\u03b9 \u03bd\u03b1 \u03c6\u03c9\u03c4\u03bf\u03b2\u03bf\u03bb\u03b5\u03af.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-83[]' id='answer-id-273' class='answer   answerof-83 watupro_max_selections-3' value='273'  onclick='return WatuPRO.maxSelections(83,3, this);' \/><label for='answer-id-273' id='answer-label-273' class=' answer'><span>\u039a\u03b1\u03b9 \u03bf\u03b9 \u03c4\u03c1\u03b5\u03b9\u03c2 \u03bb\u03ac\u03bc\u03c0\u03b5\u03c2 \u03c6\u03c9\u03c4\u03bf\u03b2\u03bf\u03bb\u03bf\u03cd\u03bd \u03c4\u03bf \u03af\u03b4\u03b9\u03bf.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-83[]' id='answer-id-274' class='answer   answerof-83 watupro_max_selections-3' value='274'  onclick='return WatuPRO.maxSelections(83,3, this);' \/><label for='answer-id-274' id='answer-label-274' class=' answer'><span>\u0397 \u03bb\u03ac\u03bc\u03c0\u03b5\u03c2 (1) \u03ba\u03b1\u03b9 (3) \u03b4\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03ac\u03c3\u03b7 2,25V \u03b7 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03af\u03b1.<\/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-84'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>\u03a3\u03c4\u03b7\u03bd \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c4\u03bc\u03ae\u03bc\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03bf\u03cd \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03c1\u03b5\u03cd\u03bc\u03b1 \u0399. \u03a4\u03bf \u03ba\u03bf\u03bc\u03bc\u03ac\u03c4\u03b9 \u0391\u0392 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae (\u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03c7\u03bf\u03bd\u03c4\u03c1\u03cc) \u03b1\u03c0\u03cc \u03c4\u03bf \u03c5\u03c0\u03cc\u03bb\u03bf\u03b9\u03c0\u03bf. \u0391\u03c0\u03cc \u03c0\u03bf\u03b9\u03b1 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae \u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03c3\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf;<br \/>\r\n<br \/>\r\n<div id=\"attachment_1564\" style=\"width: 427px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image16.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1564\" class=\" wp-image-1564\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image16-300x105.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 3\" width=\"417\" height=\"146\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image16-300x105.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image16-1024x361.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image16.jpg 1330w\" sizes=\"auto, (max-width: 417px) 100vw, 417px\" \/><\/a><p id=\"caption-attachment-1564\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 3<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_3' value='84' \/><input type='hidden' id='answerType84' 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-84[]' id='answer-id-275' class='answer   answerof-84 ' value='275'   \/><label for='answer-id-275' id='answer-label-275' class=' answer'><span>\u0391\u03c0\u03cc \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae \u039a.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-84[]' id='answer-id-276' class='answer   answerof-84 ' value='276'   \/><label for='answer-id-276' id='answer-label-276' class=' answer'><span>\u0391\u03c0\u03cc \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae \u039b.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-84[]' id='answer-id-277' class='answer   answerof-84 ' value='277'   \/><label for='answer-id-277' id='answer-label-277' class=' answer'><span>\u03a0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03b1\u03bd\u03ac \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ad\u03c2 \u039a \u03ba\u03b1\u03b9 \u039b.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-84[]' id='answer-id-278' class='answer   answerof-84 ' value='278'   \/><label for='answer-id-278' id='answer-label-278' class=' answer'><span>\u0391\u03c0\u03cc \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03bf\u03bc\u03ae \u039b \u03b4\u03b5\u03bd \u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03ba\u03b1\u03b8\u03cc\u03bb\u03bf\u03c5 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf.<\/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-85'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>\u0394\u03b9\u03b1\u03b8\u03ad\u03c4\u03bf\u03c5\u03bc\u03b5 \u03b4\u03cd\u03bf \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b5\u03c2 \u03bc\u03b5 R<sub>1<\/sub>=30\u03a9 \u03ba\u03b1\u03b9 R<sub>2<\/sub>=20\u03a9 \u03ba\u03b1\u03b9 \u03bc\u03af\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae \u03c0\u03b7\u03b3\u03ae 120V. \u03a0\u03ce\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03b1\u03c5\u03c4\u03ac \u03c3\u03c4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03b5\u03c4\u03cd\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c1\u03b5\u03cd\u03bc\u03b1 10\u0391;<\/div><input type='hidden' name='question_id[]' id='qID_4' value='85' \/><input type='hidden' id='answerType85' 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-85[]' id='answer-id-279' class='answer   answerof-85 ' value='279'   \/><label for='answer-id-279' id='answer-label-279' class=' answer'><span>\u039d\u03b1 \u03b2\u03ac\u03bb\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b7\u03b3\u03ae \u03c3\u03c4\u03b1 \u03ac\u03ba\u03c1\u03b1 \u03c4\u03b7\u03c2  R<sub>1<\/sub>.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-85[]' id='answer-id-280' class='answer   answerof-85 ' value='280'   \/><label for='answer-id-280' id='answer-label-280' class=' answer'><span>\u039d\u03b1 \u03b2\u03ac\u03bb\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b7\u03b3\u03ae \u03c3\u03c4\u03b1 \u03ac\u03ba\u03c1\u03b1 \u03c4\u03b7\u03c2  R<sub>2<\/sub>.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-85[]' id='answer-id-281' class='answer   answerof-85 ' value='281'   \/><label for='answer-id-281' id='answer-label-281' class=' answer'><span>\u039d\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03cd\u03bf \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b5\u03c2 \u03c3\u03c4\u03b7 \u03c3\u03b5\u03b9\u03c1\u03ac \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b7\u03b3\u03ae.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-85[]' id='answer-id-282' class='answer   answerof-85 ' value='282'   \/><label for='answer-id-282' id='answer-label-282' class=' answer'><span>\u039d\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03cd\u03bf \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b5\u03c2 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b7\u03b3\u03ae.<\/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-86'>\n\t\t\t<div class='question-content'><p><span class='watupro_num'>5. <\/span>\u03a3\u03c4\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03bc\u03af\u03b1 \u03bb\u03ac\u03bc\u03c0\u03b1 \u03bc\u03b5 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac 12V\/60W, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ac. \u0391\u03c5\u03c4\u03cc \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bb\u03ac\u03bc\u03c0\u03b1 \u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03c1\u03b5\u03cd\u03bc\u03b1 <input type=\"text\" size=\"10\" name=\"gap_86_1\" class=\"watupro-gap answer answerof-86\" value=\"\"   >A. \u03a4\u03bf \u03b2\u03bf\u03bb\u03c4\u03cc\u03bc\u03b5\u03c4\u03c1\u03bf, \u03c0\u03bf\u03c5 \u03bc\u03b5\u03c4\u03c1\u03ac\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03ac\u03c3\u03b7 \u03c3\u03c4\u03b1 \u03ac\u03ba\u03c1\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b7, \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 <input type=\"text\" size=\"10\" name=\"gap_86_2\" class=\"watupro-gap answer answerof-86\" value=\"\"   >V. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03bf \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b7\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 <input type=\"text\" size=\"10\" name=\"gap_86_3\" class=\"watupro-gap answer answerof-86\" value=\"\"   >\u03a9.<\/p>\n<div id=\"attachment_1568\" style=\"width: 320px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image17.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1568\" class=\" wp-image-1568\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image17-300x250.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 5\" width=\"310\" height=\"259\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image17-300x250.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image17-1024x855.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image17.jpg 1295w\" sizes=\"auto, (max-width: 310px) 100vw, 310px\" \/><\/a><p id=\"caption-attachment-1568\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 5<\/p><\/div>\n<input type='hidden' name='question_id[]' id='qID_5' value='86' \/><input type='hidden' id='answerType86' value='gaps'><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-6' style=';'><div id='questionWrap-6'  class='   watupro-question-id-89'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>\u03a3\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03c0\u03af\u03c4\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b5\u03c2 \u03c4\u03c9\u03bd 6\u0391. \u0391\u03bd \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03b1\u03c5\u03c4\u03cc\u03c7\u03c1\u03bf\u03bd\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 (\u03c0\u03bb\u03c5\u03bd\u03c4\u03ae\u03c1\u03b9\u03bf, \u03b7\u03bb. \u03ba\u03bf\u03c5\u03b6\u03af\u03bd\u03b1, \u03b8\u03b5\u03c1\u03bc\u03bf\u03c3\u03af\u03c6\u03c9\u03bd\u03b1\u03c2 \u03ba.\u03c4.\u03bb.) \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae\u03c2 \u03b9\u03c3\u03c7\u03cd\u03bf\u03c2 1,1KW \u03bc\u03b5 \u03c4\u03ac\u03c3\u03b7 220V, \u03b8\u03b1 \u03c0\u03ad\u03c3\u03b5\u03b9 \u03b7 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1;<\/div><input type='hidden' name='question_id[]' id='qID_6' value='89' \/><input type='hidden' id='answerType89' 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-89[]' id='answer-id-283' class='answer   answerof-89 ' value='283'   \/><label for='answer-id-283' id='answer-label-283' class=' answer'><span>\u038c\u03c7\u03b9, \u03b3\u03b9\u03b1\u03c4\u03af \u03c4\u03bf \u03c1\u03b5\u03cd\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c7\u03b8\u03b5\u03af \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc 6\u0391.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-89[]' id='answer-id-284' class='answer   answerof-89 ' value='284'   \/><label for='answer-id-284' id='answer-label-284' class=' answer'><span>\u039d\u03b1\u03b9, \u03b3\u03b9\u03b1\u03c4\u03af \u03b8\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c7\u03b8\u03b5\u03af \u03c1\u03b5\u03cd\u03bc\u03b1 5\u0391 \u03ba\u03b1\u03b9 \u03b7 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1, \u03cc\u03c4\u03b1\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c1\u03b5\u03cd\u03bc\u03b1 \u03ba\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc 6\u0391, \u03c0\u03ad\u03c6\u03c4\u03b5\u03b9.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-89[]' id='answer-id-285' class='answer   answerof-89 ' value='285'   \/><label for='answer-id-285' id='answer-label-285' class=' answer'><span>\u038c\u03c7\u03b9, \u03b3\u03b9\u03b1\u03c4\u03af \u03b7 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03b1\u03bd\u03c4\u03ad\u03c7\u03b5\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 220V.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-89[]' id='answer-id-286' class='answer   answerof-89 ' value='286'   \/><label for='answer-id-286' id='answer-label-286' class=' answer'><span>\u039d\u03b1\u03b9, \u03b3\u03b9\u03b1\u03c4\u03af \u03b7 \u03b9\u03c3\u03c7\u03cd\u03c2 \u03c4\u03c9\u03bd 1,1KW \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03c1\u03b5\u03cd\u03bc\u03b1 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 6\u0391.<\/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-88'>\n\t\t\t<div class='question-content'><p><span class='watupro_num'>7. <\/span>\u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b5\u03bc\u03ad\u03bd\u03bf \u03c3\u03c4\u03b7\u03bd \u03ac\u03ba\u03c1\u03b7 \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03c4\u03b1\u03bb\u03b1\u03bd\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03b8\u03ad\u03c3\u03b5\u03c9\u03bd \u0391 \u03ba\u03b1\u03b9 \u0392. \u0391\u03bd \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 3s \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae \u039f\u0392\u0391, \u03c4\u03cc\u03c4\u03b5 \u03b7 \u03c0\u03b5\u03c1\u03af\u03bf\u03b4\u03cc\u03c2 \u03c4\u03bf\u03c5 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 <input type=\"text\" size=\"10\" name=\"gap_88_1\" class=\"watupro-gap answer answerof-88\" value=\"\"   >s \u03ba\u03b1\u03b9 \u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 <input type=\"text\" size=\"10\" name=\"gap_88_2\" class=\"watupro-gap answer answerof-88\" value=\"\"   >Hz. \u0395\u03bd\u03ce \u03ba\u03ac\u03b8\u03b5 <input type=\"text\" size=\"10\" name=\"gap_88_3\" class=\"watupro-gap answer answerof-88\" value=\"\"   >s \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b8\u03b1 \u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03af\u03b1\u03c2 \u039f.<\/p>\n<div id=\"attachment_1573\" style=\"width: 425px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image20.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1573\" class=\" wp-image-1573\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image20-300x104.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 6\" width=\"415\" height=\"144\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image20-300x104.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image20-1024x355.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image20.jpg 1307w\" sizes=\"auto, (max-width: 415px) 100vw, 415px\" \/><\/a><p id=\"caption-attachment-1573\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 7<\/p><\/div>\n<input type='hidden' name='question_id[]' id='qID_7' value='88' \/><input type='hidden' id='answerType88' value='gaps'><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-8' style=';'><div id='questionWrap-8'  class='   watupro-question-id-87'>\n\t\t\t<div class='question-content'><span class='watupro_num'>8. <\/span>\u03a4\u03b1 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03ae (1) \u03ba\u03b1\u03b9 (2) \u03b1\u03b9\u03c9\u03c1\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u0393\u03b7, \u03b5\u03bd\u03ce \u03c4\u03bf (3) \u03c3\u03c4\u03b7 \u03a3\u03b5\u03bb\u03ae\u03bd\u03b7. \u0395\u03c0\u03af\u03c3\u03b7\u03c2 \u03c4\u03b1 (1) \u03ba\u03b1\u03b9 (3) \u03ad\u03c7\u03bf\u03c5\u03bd \u03af\u03b4\u03b9\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2. \u03a4\u03b1\u03be\u03b9\u03bd\u03bf\u03bc\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03ae, \u03c3\u03ad\u03c1\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2 \u03c4\u03bf\u03c5\u03c2, \u03be\u03b5\u03ba\u03b9\u03bd\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03cc \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b5\u03bb\u03b5\u03b9\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b5 \u03b1\u03c5\u03c4\u03cc \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7.<br \/>\r\n<br \/>\r\n<div id=\"attachment_1570\" style=\"width: 312px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image19.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1570\" class=\" wp-image-1570\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image19-300x251.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 6\" width=\"302\" height=\"252\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image19-300x251.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image19-1024x857.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image19.jpg 1160w\" sizes=\"auto, (max-width: 302px) 100vw, 302px\" \/><\/a><p id=\"caption-attachment-1570\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 8<\/p><\/div><!-- end question-content--><\/div><div class='question-choices watupro-sortable-choices'><ul id='watuPROSortable87' class='watupro-sortable '>\t\t\t\t\t\t<li id=\"watuPROSortable87_1\">(3)<!--|||%283%29--><\/li>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<li id=\"watuPROSortable87_2\">(1)<!--|||%281%29--><\/li>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<li id=\"watuPROSortable87_3\">(2)<!--|||%282%29--><\/li>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t<\/ul><input type=\"hidden\" name=\"answer-87[]\" id=\"watuPROSortableValue87\" value=\"%283%29%7C%281%29%7C%282%29%7C\" class=\"answer answerof-87\">\t\t\t\t\t\n\t\t\t\t\t<script type=\"text\/javascript\">\n\t\t\t\t\tdocument.addEventListener('DOMContentLoaded', function(event) {\n\t\t\t\t\t    jQuery( \"#watuPROSortable87\" ).sortable({\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tstop: function(event, ui) { WatuPROSort.sortable(event, ui) }\t\t\t\t    \t\n\t\t\t\t\t    \t});\t\t\t\t\t    \n\t\t\t\t\t  });\n\t\t\t\t\t<\/script><\/div><!-- end question-choices--><input type='hidden' name='question_id[]' id='qID_8' value='87' \/><input type='hidden' id='answerType87' value='sort'><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-9' style=';'><div id='questionWrap-9'  class='   watupro-question-id-90'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>\u039c\u03af\u03b1 \u03c0\u03b7\u03b3\u03ae \u03ba\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd \u03c4\u03b1\u03bb\u03b1\u03bd\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 50Hz \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03b5\u03b3\u03ba\u03ac\u03c1\u03c3\u03b9\u03b1 \u03ba\u03cd\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03b4\u03af\u03b4\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03bc\u03ad\u03c3\u03bf \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 30m\/s. \u03a0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2;<\/div><input type='hidden' name='question_id[]' id='qID_9' value='90' \/><input type='hidden' id='answerType90' 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-90[]' id='answer-id-287' class='answer   answerof-90 watupro_max_selections-2' value='287'  onclick='return WatuPRO.maxSelections(90,2, this);' \/><label for='answer-id-287' id='answer-label-287' class=' answer'><span>\u03a4\u03bf \u03ba\u03cd\u03bc\u03b1 \u03b4\u03b9\u03b1\u03b4\u03af\u03b4\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf\u03bd \u03b1\u03ad\u03c1\u03b1.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-90[]' id='answer-id-288' class='answer   answerof-90 watupro_max_selections-2' value='288'  onclick='return WatuPRO.maxSelections(90,2, this);' \/><label for='answer-id-288' id='answer-label-288' class=' answer'><span>\u0397 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b4\u03cd\u03bf \u03b4\u03b9\u03b1\u03b4\u03bf\u03c7\u03b9\u03ba\u03ce\u03bd \u03ba\u03bf\u03b9\u03bb\u03ac\u03b4\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 0,6m<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-90[]' id='answer-id-289' class='answer   answerof-90 watupro_max_selections-2' value='289'  onclick='return WatuPRO.maxSelections(90,2, this);' \/><label for='answer-id-289' id='answer-label-289' class=' answer'><span>\u0397 \u03c0\u03b5\u03c1\u03af\u03bf\u03b4\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b8\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03b8\u03b5\u03af \u03b1\u03bd \u03c4\u03bf \u03ba\u03cd\u03bc\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03b9 \u03bc\u03ad\u03c3\u03bf \u03b4\u03b9\u03ac\u03b4\u03bf\u03c3\u03b7\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-90[]' id='answer-id-290' class='answer   answerof-90 watupro_max_selections-2' value='290'  onclick='return WatuPRO.maxSelections(90,2, this);' \/><label for='answer-id-290' id='answer-label-290' class=' answer'><span>\u0391\u03bd \u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03b7\u03b3\u03ae\u03c2 \u03b3\u03af\u03bd\u03b5\u03b9 \u03b4\u03b9\u03c0\u03bb\u03ac\u03c3\u03b9\u03b1, \u03c4\u03cc\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03b4\u03af\u03b4\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03ba\u03cd\u03bc\u03b1 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03bf\u03c5 \u03bc\u03ad\u03c3\u03bf\u03c5 \u03b4\u03b5 \u03b8\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03b8\u03b5\u03af.<\/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-91'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>\u03a4\u03bf \u03b4\u03b9\u03b1\u03bc\u03ae\u03ba\u03b5\u03c2 \u03ba\u03cd\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 12Hz \u03ba\u03b1\u03b9 \u03b7 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u0391\u0392 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5 6m. \u03a0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b4\u03b9\u03ac\u03b4\u03bf\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b1\u03c5\u03c4\u03bf\u03cd;<br \/>\r\n<br \/>\r\n<div id=\"attachment_1574\" style=\"width: 482px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image21.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1574\" class=\" wp-image-1574\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image21-300x56.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 9\" width=\"472\" height=\"88\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image21-300x56.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image21-1024x193.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/05\/image21.jpg 1239w\" sizes=\"auto, (max-width: 472px) 100vw, 472px\" \/><\/a><p id=\"caption-attachment-1574\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 10<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_10' value='91' \/><input type='hidden' id='answerType91' 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-91[]' id='answer-id-291' class='answer   answerof-91 ' value='291'   \/><label for='answer-id-291' id='answer-label-291' class=' answer'><span>72m\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-91[]' id='answer-id-292' class='answer   answerof-91 ' value='292'   \/><label for='answer-id-292' id='answer-label-292' class=' answer'><span>48m\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-91[]' id='answer-id-293' class='answer   answerof-91 ' value='293'   \/><label for='answer-id-293' id='answer-label-293' class=' answer'><span>36m\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-91[]' id='answer-id-294' class='answer   answerof-91 ' value='294'   \/><label for='answer-id-294' id='answer-label-294' class=' answer'><span>24m\/s<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-11'>\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=\"watuPROButtons9\">\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; \u03a0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf\u03b7\" onclick=\"WatuPRO.nextQuestion(event, 'previous');\"\/><\/div>\t\t  \t\t  \t\t   \n\t\t   \t  \t\t<div><input type=\"button\" name=\"action\" class=\"watupro-submit-button\" onclick=\"WatuPRO.submitResult(event)\" id=\"action-button\" value=\"\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1\"  \/>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\n\t<input type=\"hidden\" name=\"quiz_id\" value=\"9\" 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