{"id":7095,"date":"2019-01-06T13:01:18","date_gmt":"2019-01-06T11:01:18","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=7095"},"modified":"2019-01-07T01:16:52","modified_gmt":"2019-01-06T23:16:52","slug":"%ce%b7%ce%bb%ce%b5%ce%ba%cf%84%cf%81%ce%b9%ce%ba%cf%8c-%cf%80%ce%b5%ce%b4%ce%af%ce%bf","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=7095","title":{"rendered":"\u0397\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03a0\u03b5\u03b4\u03af\u03bf"},"content":{"rendered":"<ol>\n<li>\u039c\u03b5 \u03c0\u03bf\u03b9\u03bf\u03bd \u03c4\u03c1\u03cc\u03c0\u03bf \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c2 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c0\u03b9\u03c3\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b1\u03bd \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c7\u03ce\u03c1\u03bf \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf; <\/li>\n<li>\u03a3\u03b5 \u03c4\u03b9 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-e45781f115011d8b80d7805915c2645d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#69;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"15\" style=\"vertical-align: 0px;\"\/> \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf, \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-c7d5e573e176730e9d1e75331b37614a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#70;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"15\" style=\"vertical-align: 0px;\"\/> \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3&#8217; \u03b1\u03c5\u03c4\u03cc;<\/li>\n<li>\u03a3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03a3 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf q. \u0391\u03bd \u03b2\u03ac\u03bb\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03a3 \u03ad\u03bd\u03b1 \u03b4\u03b9\u03c0\u03bb\u03ac\u03c3\u03b9\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf 2q, \u03c4\u03cc\u03c4\u03b5 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03a3:\n<ol>\n<li>\u0397 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03b4\u03b9\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c3\u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf 2q \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03af\u03b4\u03b9\u03b1.<\/li>\n<li>\u0397 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c3\u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf 2q \u03b4\u03b9\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03af\u03b4\u03b9\u03b1.<\/li>\n<li>\u0394\u03b9\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c3\u03c4\u03bf \u03a3 \u03ba\u03b1\u03b9 \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c3\u03c4\u03bf 2q.<\/li>\n<li>\u039a\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03cd\u03bf \u03bc\u03b5\u03b3\u03ad\u03b8\u03b7 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd \u03af\u03b4\u03b9\u03b1.<\/li>\n<\/ol>\n<p>\u0395\u03c0\u03af\u03bb\u03b5\u03be\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae.<\/li>\n<li>\u0394\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf q \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf \u03c3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2 E \u03ba\u03b1\u03b9 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c0\u03ac\u03bd\u03c9 \u03c4\u03bf\u03c5 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F. \u0391\u03bd \u03c4\u03bf q \u03bc\u03b5\u03c4\u03b1\u03c6\u03b5\u03c1\u03b8\u03b5\u03af \u03c3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c4\u03c1\u03b9\u03c0\u03bb\u03ac\u03c3\u03b9\u03b1\u03c2 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2, \u03c4\u03cc\u03c4\u03b5 \u03c3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b8\u03b1 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7:\n<ol>\n<li>F\/3<\/li>\n<li>F<\/li>\n<li>2F<\/li>\n<li>3F<\/li>\n<\/ol>\n<\/li>\n<li>\u03a3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0391 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c0\u03b5\u03b4\u03af\u03bf\u03c5, \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf q \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F. \u03a3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u0392 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bc\u03b5 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf 2q, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c0\u03ac\u03bd\u03c9 \u03c4\u03bf\u03c5 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F\/2. \u0393\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03b5\u03bd\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 E<sub>A<\/sub> \u03ba\u03b1\u03b9 E<sub>B<\/sub> \u03c3\u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1 \u03b8\u03b1 \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9:\n<ol>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-2d5ab5a7a56acde1a329f6177068247f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#95;&#66;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#52;&#125;&#69;&#95;&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"82\" style=\"vertical-align: -6px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-c98b1761fec5bb9c7e0f8a7a9576e61d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#95;&#66;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#125;&#69;&#95;&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"82\" style=\"vertical-align: -6px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-4960f93caecb6455d96324313ff74037_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#95;&#66;&#61;&#69;&#95;&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"72\" style=\"vertical-align: -3px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-6ea588cf22a1a681215d8ac53972d9b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#95;&#66;&#61;&#50;&#69;&#95;&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"81\" style=\"vertical-align: -3px;\"\/><\/li>\n<\/ol>\n<\/li>\n<li>\u03a6\u03bf\u03c1\u03c4\u03af\u03bf 4\u03bcC \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-430eacfa305c5c836bb2cfd237b976a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#54;&#48;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#48;&#94;&#54;&#78;&#47;&#67;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"103\" style=\"vertical-align: -5px;\"\/>. \u0397 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9:\n<ol>\n<li>15\u039d<\/li>\n<li>60\u039d<\/li>\n<li>90\u039d<\/li>\n<li>240\u039d<\/li>\n<\/ol>\n<\/li>\n<li>\u0391\u03bd \u03c3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03a3 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf \u03b5\u03b9\u03c3\u03ac\u03b3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03b7\u03bc\u03b5\u03b9\u03b1\u03ba\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf 2\u03bcC, \u03c4\u03cc\u03c4\u03b5 \u03b1\u03c5\u03c4\u03cc \u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 30\u039d. \u03a3\u03b5 \u03ac\u03bb\u03bb\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u039b \u03c4\u03bf\u03c5 \u03af\u03b4\u03b9\u03bf\u03c5 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03b5\u03b9\u03c3\u03ac\u03b3\u03bf\u03c5\u03bc\u03b5 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf 8\u03bcC \u03ba\u03b1\u03b9 \u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 120\u039d \u03c4\u03b7\u03c2 \u03af\u03b4\u03b9\u03b1\u03c2 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03b1\u03c5\u03c4\u03ae\u03bd \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03c4\u03c9\u03bd 2\u03bcC. \u03a4\u03bf \u03c0\u03b5\u03b4\u03af\u03bf:\n<div id=\"attachment_7121\" style=\"width: 386px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/12\/Electric-Field-2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7121\" class=\" wp-image-7121\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/12\/Electric-Field-2-300x131.jpg\" alt=\"\" width=\"376\" height=\"164\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/12\/Electric-Field-2-300x131.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/12\/Electric-Field-2.jpg 554w\" sizes=\"auto, (max-width: 376px) 100vw, 376px\" \/><\/a><p id=\"caption-attachment-7121\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 7<\/p><\/div>\n<ol>\n<li>\u03a3\u03c4\u03bf \u039b \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b9\u03c3\u03c7\u03c5\u03c1\u03cc \u03b1\u03c0\u03cc \u03c4o \u03a3, \u03b3\u03b9\u03b1\u03c4\u03af \u03c3\u03c4\u03bf \u039b \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c3\u03c4\u03b1 \u03c6\u03bf\u03c1\u03c4\u03af\u03b1.<\/li>\n<li>\u03a3\u03c4\u03bf \u03a3 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03c3\u03c7\u03c5\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u039b, \u03b3\u03b9\u03b1\u03c4\u03af \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7, \u03b1\u03bb\u03bb\u03ac \u03c3\u03b5 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c6\u03bf\u03c1\u03c4\u03af\u03b1.<\/li>\n<li>\u0395\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03b9\u03c3\u03c7\u03c5\u03c1\u03cc \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03b4\u03cd\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03b1, \u03b3\u03b9\u03b1\u03c4\u03af \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7.<\/li>\n<li>\u0394\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c0\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b9\u03c3\u03c7\u03c5\u03c1\u03cc, \u03b3\u03b9\u03b1\u03c4\u03af \u03b4\u03b5 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03c0\u03b7\u03b3\u03ae \u03c4\u03bf\u03c5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c0\u03b5\u03b4\u03af\u03bf\u03c5.<\/li>\n<\/ol>\n<p><!--more--><\/li>\n<li>\u03a4\u03b9 \u03b8\u03b1 \u03c3\u03c5\u03bc\u03b2\u03b5\u03af \u03c3\u03c4\u03bf \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c4\u03bf\u03c5, \u03b1\u03bd:\n<ol>\n<li>\u03a4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03c0\u03bf\u03c5 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03c4\u03bf \u03c0\u03b5\u03b4\u03af\u03bf \u03c0\u03ac\u03c1\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03b9\u03c3\u03ae \u03c4\u03b9\u03bc\u03ae \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ae\u03bd \u03c0\u03bf\u03c5 \u03b5\u03af\u03c7\u03b5.<\/li>\n<li>\u0391\u03bb\u03bb\u03ac\u03be\u03b5\u03b9 \u03c4\u03bf \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03bf \u03c4\u03bf\u03c5 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 \u03c0\u03bf\u03c5 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03c4\u03bf \u03c0\u03b5\u03b4\u03af\u03bf.<\/li>\n<li>\u03a4\u03bf \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03c0\u03bf\u03c5 \u03b5\u03b9\u03c3\u03ac\u03b3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03c0\u03ac\u03c1\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03b9\u03c3\u03ae \u03c4\u03b9\u03bc\u03ae.<\/li>\n<\/ol>\n<\/li>\n<li>\u03a3\u03c4\u03b7\u03bd \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03c4\u03bf \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03bc\u03b1 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-e45781f115011d8b80d7805915c2645d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#99;&#123;&#69;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"15\" style=\"vertical-align: 0px;\"\/> \u03c3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03a3 \u03b5\u03bd\u03cc\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c0\u03b5\u03b4\u03af\u03bf\u03c5.\u039d\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03b9\u03b1\u03ba\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf, \u03c0\u03bf\u03c5 \u03b5\u03b9\u03c3\u03ac\u03b3\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf, \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9:\n<ol>\n<li>+q<\/li>\n<li>-q<\/li>\n<\/ol>\n<p><div id=\"attachment_7128\" style=\"width: 221px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-3.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7128\" class=\" wp-image-7128\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-3-300x145.jpg\" alt=\"\" width=\"211\" height=\"102\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-3-300x145.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-3.jpg 465w\" sizes=\"auto, (max-width: 211px) 100vw, 211px\" \/><\/a><p id=\"caption-attachment-7128\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 9<\/p><\/div><\/li>\n<li>\u03a3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03a3 \u03b5\u03bd\u03cc\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03b5\u03b9\u03c3\u03ac\u03b3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03c3\u03b7\u03bc\u03b5\u03b9\u03b1\u03ba\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf -q. \u03a3\u03c4\u03b7\u03bd \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03c4\u03bf \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf -q \u03b1\u03c0\u03cc \u03c4\u03bf \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf. \u039d\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03a3 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c3\u03c4\u03bf \u03a3:\n<ol>\n<li>\u03a5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf -q.<\/li>\n<li>\u0388\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf -q \u03bc\u03b5 \u03ac\u03bb\u03bb\u03bf \u03c3\u03b7\u03bc\u03b5\u03b9\u03b1\u03ba\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf +q.<\/li>\n<\/ol>\n<p><div id=\"attachment_7129\" style=\"width: 223px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-4.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7129\" class=\" wp-image-7129\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-4-300x197.jpg\" alt=\"\" width=\"213\" height=\"140\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-4-300x197.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-4.jpg 461w\" sizes=\"auto, (max-width: 213px) 100vw, 213px\" \/><\/a><p id=\"caption-attachment-7129\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 10<\/p><\/div><\/li>\n<li>\u03a3\u03b7\u03bc\u03b5\u03b9\u03b1\u03ba\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf Q \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf. \u03a3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03a3 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03b1\u03c5\u03c4\u03bf\u03cd \u03b5\u03b9\u03c3\u03ac\u03b3\u03bf\u03c5\u03bc\u03b5 \u03ac\u03bb\u03bb\u03bf \u03c3\u03b7\u03bc\u03b5\u03b9\u03b1\u03ba\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf q (\u03c3\u03c7. \u0391). \u0391\u03bd \u03b1\u03bb\u03bb\u03ac\u03be\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf Q \u03bc\u03b5 \u03ad\u03bd\u03b1 \u03ac\u03bb\u03bb\u03bf \u03b4\u03b9\u03c0\u03bb\u03ac\u03c3\u03b9\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf 2Q (\u03c3\u03c7. \u0392),\u03c4\u03cc\u03c4\u03b5 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03a3:\n<div id=\"attachment_7117\" style=\"width: 416px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/12\/Electric-Field-1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7117\" class=\" wp-image-7117\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/12\/Electric-Field-1-300x88.jpg\" alt=\"\" width=\"406\" height=\"119\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/12\/Electric-Field-1-300x88.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/12\/Electric-Field-1-768x226.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/12\/Electric-Field-1.jpg 832w\" sizes=\"auto, (max-width: 406px) 100vw, 406px\" \/><\/a><p id=\"caption-attachment-7117\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 11<\/p><\/div>\n<ol>\n<li>\u0397 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03b4\u03b9\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c3\u03c4\u03bf q \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03b4\u03b9\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9.<\/li>\n<li>\u0397 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03b4\u03b9\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c3\u03c4\u03bf q \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03af\u03b4\u03b9\u03b1.<\/li>\n<li>\u0397 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03af\u03b4\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c3\u03c4\u03bf q \u03b4\u03b9\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9.<\/li>\n<li>\u039a\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03cd\u03bf \u03bc\u03b5\u03b3\u03ad\u03b8\u03b7 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd \u03af\u03b4\u03b9\u03b1.<\/li>\n<\/ol>\n<p>\u0395\u03c0\u03af\u03bb\u03b5\u03be\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae.<\/li>\n<li>\u03a3\u03b5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf, \u03c0\u03bf\u03c5 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c3\u03b7\u03bc\u03b5\u03b9\u03b1\u03ba\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf Q, \u03c3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c0\u03bf\u03c5 \u03b1\u03c0\u03ad\u03c7\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf Q 3cm, \u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 200\u039d\/C. \u03a3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c0\u03bf\u03c5 \u03b1\u03c0\u03ad\u03c7\u03b5\u03b9 1,5cm \u03b1\u03c0\u03cc \u03c4\u03bf Q \u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9:\n<ol>\n<li>50\u039d\/C<\/li>\n<li>100N\/C<\/li>\n<li>400N\/C<\/li>\n<li>800N\/C<\/li>\n<\/ol>\n<\/li>\n<li>\u03a6\u03bf\u03c1\u03c4\u03af\u03bf-\u03c0\u03b7\u03b3\u03ae Q \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u0395 \u03c3\u03b5 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 r. \u0393\u03b9\u03b1 \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03c1\u03b9\u03c0\u03bb\u03ac\u03c3\u03b9\u03b1 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7, \u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf-\u03c0\u03b7\u03b3\u03ae \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9:\n<ol>\n<li>3Q<\/li>\n<li>Q\/3<\/li>\n<li>Q<\/li>\n<li>9Q<\/li>\n<\/ol>\n<\/li>\n<li>\u03a4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u0391,\u0392 \u03ba\u03b1\u03b9 \u0393 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf \u03c0\u03bf\u03c5 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03c4\u03b1 \u03b4\u03cd\u03bf \u03c3\u03b7\u03bc\u03b5\u03b9\u03b1\u03ba\u03ac \u03c6\u03bf\u03c1\u03c4\u03af\u03b1 +Q \u03ba\u03b1\u03b9 +2Q. \u03a3\u03b5 \u03c0\u03bf\u03b9\u03bf \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c4\u03c1\u03af\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u0391,\u0392 \u03ba\u03b1\u03b9 \u0393 \u03c4\u03bf \u03c0\u03b5\u03b4\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03c3\u03c7\u03c5\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03bf\u03b9\u03bf \u03b1\u03c3\u03b8\u03b5\u03bd\u03ad\u03c3\u03c4\u03b5\u03c1\u03bf;. \u0394\u03b9\u03ba\u03b1\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03c3\u03bf\u03c5.\n<div id=\"attachment_7137\" style=\"width: 385px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-5.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7137\" class=\" wp-image-7137\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-5-300x27.jpg\" alt=\"\" width=\"375\" height=\"34\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-5-300x27.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-5.jpg 768w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\" \/><\/a><p id=\"caption-attachment-7137\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 13<\/p><\/div>\n<p>\u0391\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b5 \u03c3\u03c4\u03b1 \u03af\u03b4\u03b9\u03b1 \u03b5\u03c1\u03c9\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03bd \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 +2Q \u03b2\u03ac\u03bb\u03bf\u03c5\u03bc\u03b5 -2Q.<\/li>\n<li>\u03a3\u03b5 \u03c0\u03cc\u03c3\u03b7 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c3\u03b7\u03bc\u03b5\u03b9\u03b1\u03ba\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf 2\u03bcC \u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 11,25\u039d\/C;<\/li>\n<li>\u0394\u03cd\u03bf \u03c3\u03b7\u03bc\u03b5\u03b9\u03b1\u03ba\u03ac \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ac \u03c6\u03bf\u03c1\u03c4\u03af\u03b1 Q<sub>1<\/sub>=4\u03bcC \u03ba\u03b1\u03b9 Q<sub>2<\/sub>=-12\u03bcC \u03b1\u03c0\u03ad\u03c7\u03bf\u03c5\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 6cm. \u03a5\u03c0\u03bf\u03bb\u03cc\u03b3\u03b9\u03c3\u03b5 \u03c3\u03c4\u03bf \u03bc\u03ad\u03c3\u03bf \u03c4\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c4\u03b7\u03bd \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b5 \u03c4\u03bf \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03bc\u03ac \u03c4\u03b7\u03c2.<\/li>\n<li>\u03a3\u03c4\u03b7\u03bd \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03c6\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ad\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c0\u03b5\u03b4\u03af\u03bf\u03c5.\n<ol>\n<li>\u03a3\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03c4\u03bf \u03c0\u03b5\u03b4\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b9\u03c3\u03c7\u03c5\u03c1\u03cc \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03c0\u03b9\u03bf \u03b1\u03c3\u03b8\u03b5\u03bd\u03ad\u03c2;<\/li>\n<li>\u0391\u03bd \u03c4\u03bf \u03c0\u03b5\u03b4\u03af\u03bf \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b8\u03b5\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ac \u03c6\u03bf\u03c1\u03c4\u03af\u03b1, \u03c3\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03c4\u03b1 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ac \u03c6\u03bf\u03c1\u03c4\u03af\u03b1;<\/li>\n<\/ol>\n<div id=\"attachment_7149\" style=\"width: 324px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-6.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7149\" class=\" wp-image-7149\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-6-300x176.jpg\" alt=\"\" width=\"314\" height=\"184\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-6-300x176.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-6.jpg 656w\" sizes=\"auto, (max-width: 314px) 100vw, 314px\" \/><\/a><p id=\"caption-attachment-7149\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 17<\/p><\/div>\n<p>\u0394\u03b9\u03ba\u03b1\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03c3\u03bf\u03c5.<\/li>\n<li>\u00a0\u03a3\u03c9\u03bc\u03b1\u03c4\u03af\u03b4\u03b9\u03bf \u03bc\u03ac\u03b6\u03b1\u03c2 0,2mg \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03b5\u03af \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf, \u03c4\u03bf\u03c5 \u03bf\u03c0\u03bf\u03af\u03bf\u03c5 \u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03ad\u03c7\u03b5\u03b9 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b7 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03bc\u03b5 \u03c6\u03bf\u03c1\u03ac \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03ba\u03ac\u03c4\u03c9 \u03ba\u03b1\u03b9 \u03bc\u03ad\u03c4\u03c1\u03bf <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-1369054583eec48903ba6b577934a2d1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#54;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#48;&#94;&#52;&#78;&#47;&#67;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"94\" style=\"vertical-align: -5px;\"\/>. \u0392\u03c1\u03b5\u03c2 \u03c4\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03c4\u03bf\u03c5 \u03c3\u03c9\u03bc\u03b1\u03c4\u03b9\u03b4\u03af\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03cc \u03c4\u03bf\u03c5. \u0394\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-821d9d7f71bc5e9ae1e1ff735cf58aa2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#103;&#61;&#49;&#48;&#109;&#47;&#115;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"91\" style=\"vertical-align: -5px;\"\/>.\n<p><div id=\"attachment_7151\" style=\"width: 178px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-7.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7151\" class=\" wp-image-7151\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-7.jpg\" alt=\"\" width=\"168\" height=\"167\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-7.jpg 256w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-7-150x150.jpg 150w\" sizes=\"auto, (max-width: 168px) 100vw, 168px\" \/><\/a><p id=\"caption-attachment-7151\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 18<\/p><\/div><\/li>\n<li>\u03a3\u03c4\u03b7\u03bd \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03c6\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 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\u03ba\u03b1\u03b9 \u0392 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5.<\/li>\n<li>\u03a3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b5 \u03c4\u03b1 \u03b4\u03b9\u03b1\u03bd\u03cd\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03b4\u03cd\u03bf \u03c3\u03b7\u03bc\u03b5\u03b9\u03b1\u03ba\u03ac \u03c6\u03bf\u03c1\u03c4\u03af\u03b1 +q \u03ba\u03b1\u03b9 -q, \u03b1\u03bd \u03b1\u03c5\u03c4\u03ac \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03b7\u03b8\u03bf\u03cd\u03bd \u03c3\u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1.<\/li>\n<\/ol>\n<p><div id=\"attachment_7156\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-8.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7156\" class=\"size-medium wp-image-7156\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-8-300x260.jpg\" alt=\"\" width=\"300\" height=\"260\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-8-300x260.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2019\/01\/Electric-Field-8.jpg 603w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-7156\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 19<\/p><\/div><\/li>\n<li>\u00a0\u0395\u03b9\u03c3\u03ac\u03b3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03b5 \u03bf\u03bc\u03bf\u03b3\u03b5\u03bd\u03ad\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-ad986da89604980f900a25f97a2726a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#61;&#50;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#49;&#48;&#94;&#52;&#78;&#47;&#67;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"131\" style=\"vertical-align: -5px;\"\/> \u03b4\u03cd\u03bf \u03c3\u03b7\u03bc\u03b5\u03b9\u03b1\u03ba\u03ac \u03c6\u03bf\u03c1\u03c4\u03af\u03b1 2q \u03ba\u03b1\u03b9 -q, \u03bc\u03b5 q=4\u03bcC.\n<ol>\n<li>\u03a0\u03cc\u03c3\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03ba\u03ac\u03b8\u03b5 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf;<\/li>\n<li>\u03a0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03ba\u03b9\u03bd\u03b7\u03b8\u03bf\u03cd\u03bd \u03c4\u03b1 \u03c6\u03bf\u03c1\u03c4\u03af\u03b1 \u03b1\u03bd \u03c4\u03b1 \u03b1\u03c6\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 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297w\" sizes=\"auto, (max-width: 201px) 100vw, 201px\" \/><\/a><p id=\"caption-attachment-7159\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 20<\/p><\/div><\/li>\n<\/ol>\n<p><a href=\"&#x6d;&#x61;&#105;lto&#x3a;&#x74;&#x6f;&#112;io&#x40;&#x76;&#x69;&#101;wo&#x6e;&#x70;&#x68;&#121;si&#x63;&#x73;&#x2e;&#103;r\">&#x74;&#x6f;&#112;io&#x40;&#x76;&#x69;ewo&#x6e;&#x70;&#104;ys&#x69;&#x63;&#x73;&#46;gr<\/a><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-6948 alignnone\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/11\/main-300x225.jpg\" alt=\"\" width=\"148\" height=\"111\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/11\/main-300x225.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/11\/main-768x575.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/11\/main-1024x767.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/11\/main.jpg 2048w\" sizes=\"auto, (max-width: 148px) 100vw, 148px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u039c\u03b5 \u03c0\u03bf\u03b9\u03bf\u03bd \u03c4\u03c1\u03cc\u03c0\u03bf \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c2 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c0\u03b9\u03c3\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b1\u03bd \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c7\u03ce\u03c1\u03bf \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf; \u03a3\u03b5 \u03c4\u03b9 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03c6\u03bf\u03c1\u03c4\u03af\u03bf, \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3&#8217; \u03b1\u03c5\u03c4\u03cc; \u03a3\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03a3 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