{"id":6130,"date":"2012-07-14T23:58:32","date_gmt":"2012-07-14T16:58:32","guid":{"rendered":"https:\/\/banbientan.com\/?p=6130"},"modified":"2012-07-14T23:58:32","modified_gmt":"2012-07-14T16:58:32","slug":"nguyen-ly-va-cong-nghe-bo-nguon","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=6130","title":{"rendered":"Nguy\u00ean l\u00fd v\u00e0 C\u00f4ng ngh\u1ec7"},"content":{"rendered":"<p><span style=\"color: #000000; font-family: Verdana; font-size: x-large;\"><strong>Gi\u1edbi thi\u1ec7u\u00a0<\/strong><\/span><br \/>\n<span style=\"color: #000000;\">B\u1ed9 Ngu\u1ed3n l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao l\u1ea1i c\u1ea7n b\u1ed9 ngu\u1ed3n?<\/span><br \/>\n<span style=\"color: #000000;\">M\u1ed9t \u0111\u1ecbnh ngh\u0129a v\u1ec1 B\u1ed9 Ngu\u1ed3n l\u00e0 &#8230; &#8220;m\u1ed9t thi\u1ebft b\u1ecb cung c\u1ea5p \u0111i\u1ec7n m\u1ed9t chi\u1ec1u y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i t\u1eeb \u0111i\u1ec7n xoay chi\u1ec1u th\u01b0\u01a1ng m\u1ea1i &#8220;&#8230;<\/span><br \/>\n\u0110\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi \u0111\u1ea7u ti\u00ean, ch\u00fang ta s\u1ebd ph\u1ea3i t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1c thu\u1eadt ng\u1eef \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u1ecbnh ngh\u0129a tr\u00ean.<br \/>\nB\u00e0i h\u1ecdc \u0111\u1ea7u ti\u00ean n\u00e0y s\u1ebd c\u1ed1 g\u1eafng tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi \u0111\u00f3 v\u00e0 s\u1ebd m\u1ea5t kho\u1ea3ng 10 ph\u00fat \u0111\u1ec3 ho\u00e0n th\u00e0nh.<br \/>\nB\u00e2y gi\u1edd h\u00e3y c\u00f9ng xem x\u00e9t k\u1ef9 h\u01a1n b\u1ed9 ngu\u1ed3n l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao ch\u00fang ta c\u1ea7n b\u1ed9 ngu\u1ed3n.<br \/>\n<span style=\"color: #000000; font-family: Verdana; font-size: x-large;\"><span style=\"font-family: Arial; font-size: medium;\"><span style=\"font-size: x-large;\"><strong><span style=\"font-family: Verdana;\">\u0110i\u1ec7n<\/span><\/strong><\/span><\/span><\/span><br \/>\n\u0110i\u1ec7n s\u1ea3n sinh t\u1eeb \u0111\u00e2u?<br \/>\nH\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u bi\u1ebft r\u1eb1ng \u0111i\u1ec7n (hay c\u00f2n g\u1ecdi l\u00e0 \u0111i\u1ec7n n\u0103ng) s\u1ea3n sinh t\u1eeb c\u00e1c tr\u1ea1m ph\u00e1t \u0111i\u1ec7n.<br \/>\nM\u1eb7c d\u00f9 c\u00e1c tr\u1ea1m n\u00e0y cung c\u1ea5p \u0111i\u1ec7n cho ch\u00fang ta, nh\u01b0ng th\u1ef1c s\u1ef1 kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng g\u00ec ch\u00fang ta n\u00f3i \u0111\u1ebfn khi s\u1eed d\u1ee5ng thu\u1eadt ng\u1eef &#8220;b\u1ed9 ngu\u1ed3n&#8221;.<br \/>\n\u0110i\u1ec7n \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1ea1i tr\u1ea1m ph\u1ea3i \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i qua kho\u1ea3ng c\u00e1ch xa v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u01b0\u1edbc khi tr\u1edf n\u00ean h\u1eefu d\u1ee5ng. Ch\u00fang ta s\u1ebd s\u1edbm t\u00ecm hi\u1ec3u c\u00e1ch th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y.<br \/>\nB\u1ea1n c\u00f3 th\u1ec3 ngh\u0129 ra b\u1ea5t k\u1ef3 c\u00e1ch n\u00e0o kh\u00e1c c\u00f3 th\u1ec3 s\u1ea3n sinh ra \u0111i\u1ec7n kh\u00f4ng?<br \/>\n<span style=\"color: #000000; font-family: Verdana; font-size: x-large;\"><span style=\"font-family: Arial; font-size: medium;\"><span style=\"font-size: x-large;\"><strong><span style=\"font-family: Verdana;\">M\u00e1y ph\u00e1t \u0111i\u1ec7n<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0GENERATOR.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-6131 alignright\" title=\"0GENERATOR\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0GENERATOR-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" \/><\/a><\/span><\/strong><\/span><\/span><\/span><br \/>\nM\u00e1y ph\u00e1t \u0111i\u1ec7n chuy\u1ec3n \u0111\u1ed5i c\u01a1 n\u0103ng th\u00e0nh \u0111i\u1ec7n n\u0103ng.<br \/>\nC\u01a1 n\u0103ng c\u00f3 th\u1ec3 s\u1ea3n sinh t\u1eeb:<\/p>\n<ul>\n<li>\u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong<\/li>\n<li>\u0111\u1ed9ng c\u01a1 tuabin h\u01a1i n\u01b0\u1edbc<\/li>\n<li>c\u1ed1i xay gi\u00f3<\/li>\n<li>b\u00e1nh xe n\u01b0\u1edbc<\/li>\n<\/ul>\n<p>M\u00e1y ph\u00e1t \u0111i\u1ec7n bao g\u1ed3m c\u00e1c cu\u1ed9n d\u00e2y b\u00ean trong quay quanh m\u1ed9t t\u1eeb tr\u01b0\u1eddng. Khi m\u00e1y ph\u00e1t \u0111i\u1ec7n quay, c\u00e1c electron chuy\u1ec3n \u0111\u1ed9ng qua cu\u1ed9n d\u00e2y \u0111\u1ec3 t\u1ea1o ra \u0111i\u1ec7n n\u0103ng.<br \/>\nTh\u00f4ng th\u01b0\u1eddng, tr\u1ea1m ph\u00e1t \u0111i\u1ec7n \u0111\u1ed1t ch\u00e1y m\u1ed9t s\u1ed1 lo\u1ea1i nhi\u00ean li\u1ec7u<br \/>\n\u0111\u1ec3 sinh nhi\u1ec7t. C\u00e1c tr\u1ea1m n\u00e0y s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u1ec3 t\u1ea1o h\u01a1i n\u01b0\u1edbc d\u01b0\u1edbi \u00e1p su\u1ea5t cao. H\u01a1i n\u01b0\u1edbc ch\u1ecbu \u00e1p n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 quay \u0111\u1ed9ng c\u01a1 tuabin nh\u1eb1m s\u1ea3n sinh ra \u0111i\u1ec7n.<br \/>\n<span style=\"color: #000000; font-size: x-large;\"><span style=\"font-size: medium;\"><span style=\"font-family: Verdana; font-size: x-large;\"><strong>Xoay chi\u1ec1u v\u00e0 M\u1ed9t chi\u1ec1u<\/strong><\/span><\/span><\/span><br \/>\nCh\u00fang ta v\u1eeba \u0111\u01b0\u1ee3c bi\u1ebft r\u1eb1ng khi m\u00e1y ph\u00e1t \u0111i\u1ec7n t\u1ea1o ra \u0111i\u1ec7n, c\u00e1c electron \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed9ng kh\u1eafp c\u00e1c d\u00e2y d\u1eabn. Thu\u1eadt ng\u1eef \u0111\u1ec3 m\u00f4 t\u1ea3 s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00e1c electron \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 d\u00f2ng \u0111i\u1ec7n.<object width=\"320\" height=\"240\" classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http:\/\/download.macromedia.com\/pub\/shockwave\/cabs\/flash\/swflash.cab#version=6,0,40,0\" align=\"right\"><param name=\"src\" value=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0AC_DC.swf\" \/><embed width=\"320\" height=\"240\" type=\"application\/x-shockwave-flash\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0AC_DC.swf\" align=\"right\" \/><\/object><br \/>\nElectron mang \u0111i\u1ec7n t\u00edch \u00e2m v\u00e0 \u0111\u01b0\u1ee3c h\u00fat v\u00e0o \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t t\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u00e1ch c\u00e1c c\u1ef1c tr\u00e1i d\u1ea5u h\u00fat nhau trong nam ch\u00e2m. C\u00e1c electron chuy\u1ec3n \u0111\u1ed9ng t\u1eeb c\u1ef1c n\u00e0y sang c\u1ef1c kh\u00e1c trong m\u1ed9t v\u1eadt d\u1eabn \u0111i\u1ec7n, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u00e2y d\u1eabn.<br \/>\nKhi c\u00e1c electron ch\u1ec9 chuy\u1ec3n \u0111\u1ed9ng theo m\u1ed9t h\u01b0\u1edbng, ch\u00fang ta g\u1ecdi hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y l\u00e0 D\u00f2ng \u0111i\u1ec7n M\u1ed9t chi\u1ec1u hay DC, v\u00e0 \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u b\u1edfi m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng.<br \/>\n<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0DCWAVE.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6132 alignnone\" title=\"0DCWAVE\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0DCWAVE.jpg\" alt=\"\" width=\"100\" height=\"3\" \/><\/a><br \/>\nD\u00f2ng \u0111i\u1ec7n thay \u0111\u1ed5i h\u01b0\u1edbng do s\u1ef1 thay \u0111\u1ed5i ph\u00e2n c\u1ef1c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 D\u00f2ng \u0111i\u1ec7n Xoay chi\u1ec1u hay AC, \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u b\u1edfi m\u1ed9t s\u00f3ng d\u1ea1ng sin.<br \/>\n<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/SINEWAVE.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-6133 alignnone\" title=\"SINEWAVE\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/SINEWAVE.jpg\" alt=\"\" width=\"100\" height=\"44\" \/><\/a><br \/>\n<strong><em>Nh\u1ea5p v\u00e0o n\u00fat &#8220;play&#8221; (ph\u00e1t)<\/em><\/strong> trong h\u00ecnh \u1edf b\u00ean ph\u1ea3i \u0111\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 d\u00f2ng \u0111i\u1ec7n AC ho\u1eb7c DC.<br \/>\n<span style=\"color: #000000; font-family: Verdana; font-size: x-large;\"><span style=\"font-family: Arial; font-size: medium;\"><span style=\"font-size: x-large;\"><strong><span style=\"font-family: Verdana;\">H\u1ec7 th\u1ed1ng truy\u1ec1n t\u1ea3i<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0POWERLINES.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-6136\" title=\"0POWERLINES\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0POWERLINES-300x240.png\" alt=\"\" width=\"300\" height=\"240\" \/><\/a><\/span><\/strong><\/span><\/span><\/span><br \/>\nM\u00e1y ph\u00e1t \u0111i\u1ec7n t\u1ea1o ra \u0111i\u1ec7n n\u0103ng \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi H\u1ec7 th\u1ed1ng truy\u1ec1n t\u1ea3i, l\u00e0 c\u00e1c c\u00e1p c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn.<br \/>\nH\u1ec7 th\u1ed1ng truy\u1ec1n t\u1ea3i \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ph\u00e2n ph\u1ed1i \u0111i\u1ec7n n\u0103ng qua c\u00e1c kho\u1ea3ng c\u00e1ch l\u1edbn, c\u00e1ch xa tr\u1ea1m ph\u00e1t \u0111i\u1ec7n.<br \/>\nM\u00e1y ph\u00e1t \u0111i\u1ec7n t\u1ea1o ra \u0111i\u1ec7n t\u00edch v\u00e0 khi\u1ebfn c\u00e1c electron chuy\u1ec3n \u0111\u1ed9ng qua v\u1eadt d\u1eabn. C\u00e1c electron n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i qua c\u00e1c \u0111\u01b0\u1eddng d\u00e2y v\u00e0 th\u1ef1c s\u1ef1 l\u00e0 chuy\u1ec3n \u0111\u1ed9ng tr\u00ean b\u1ec1 m\u1eb7t d\u00e2y d\u1eabn ch\u1ee9 kh\u00f4ng chuy\u1ec3n \u0111\u1ed9ng qua d\u00e2y d\u1eabn.<br \/>\nD\u00e2y d\u1eabn c\u00f3 \u0111\u01b0\u1eddng k\u00ednh c\u00e0ng l\u1edbn th\u00ec di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u00e0ng l\u1edbn, v\u00e0 \u0111i\u1ec1u n\u00e0y cho ph\u00e9p nhi\u1ec1u electron h\u01a1n chuy\u1ec3n \u0111\u1ed9ng tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a d\u00e2y d\u1eabn.<br \/>\nNh\u1eefng d\u00e2y d\u1eabn l\u1edbn n\u00e0y c\u00f3 th\u1ec3 truy\u1ec1n t\u1ea3i l\u01b0\u1ee3ng l\u1edbn \u0111i\u1ec7n, nhi\u1ec1u \u0111i\u1ec7n n\u0103ng h\u01a1n m\u1ee9c h\u1eefu d\u1ee5ng cho ph\u1ea7n l\u1edbn y\u00eau c\u1ea7u c\u1ee7a \u1ee9ng d\u1ee5ng t\u1ef1 \u0111\u1ed9ng h\u00f3a. Tuy nhi\u00ean, kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i l\u01b0\u1ee3ng l\u1edbn \u0111i\u1ec7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00f3 \u0111\u1ee7 \u0111i\u1ec7n n\u0103ng cho t\u1ea5t c\u1ea3 nh\u1eefng ng\u01b0\u1eddi c\u1ea7n d\u00f9ng.<br \/>\nTruy\u1ec1n t\u1ea3i \u0111i\u1ec7n AC c\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n truy\u1ec1n t\u1ea3i \u0111i\u1ec7n DC qua kho\u1ea3ng c\u00e1ch xa. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ph\u1ea7n l\u1edbn \u0111i\u1ec7n n\u0103ng \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i t\u1eeb tr\u1ea1m d\u01b0\u1edbi d\u1ea1ng \u0111i\u1ec7n AC c\u00f3 \u0111i\u1ec7n \u00e1p cao.<br \/>\n<span style=\"color: #000000; font-family: Verdana; font-size: x-large;\"><span style=\"font-family: Arial; font-size: medium;\"><span style=\"font-size: x-large;\"><strong><span style=\"font-family: Verdana;\">\u0110i\u1ec7n \u00e1p<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0VOLTMETERS.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-6138\" title=\"0VOLTMETERS\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0VOLTMETERS-300x217.png\" alt=\"\" width=\"300\" height=\"217\" \/><\/a><\/span><\/strong><\/span><\/span><\/span><br \/>\n\u0110i\u1ec7n \u00e1p l\u00e0 \u0111\u01a1n v\u1ecb \u0111o d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111i\u1ec7n n\u0103ng tr\u00ean \u0111\u01b0\u1eddng d\u00e2y. Sau \u0111\u00f3, ch\u00fang ta s\u1ebd<br \/>\nc\u00f9ng xem x\u00e9t k\u1ef9 h\u01a1n v\u1ec1 \u0111i\u1ec7n \u00e1p l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao \u0111i\u1ec7n \u00e1p l\u1ea1i quan tr\u1ecdng.<br \/>\nB\u00e2y gi\u1edd, t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec ch\u00fang ta th\u1ef1c s\u1ef1 c\u1ea7n bi\u1ebft l\u00e0 l\u01b0\u1ee3ng \u0111i\u1ec7n \u00e1p tr\u00ean H\u1ec7 th\u1ed1ng truy\u1ec1n t\u1ea3i cao h\u01a1n nhi\u1ec1u so v\u1edbi<br \/>\nm\u1ee9c h\u1eefu d\u1ee5ng cho ph\u1ea7n l\u1edbn c\u00e1c \u1ee9ng d\u1ee5ng.<br \/>\nC\u00e1c d\u1ee5ng c\u1ee5 \u0111o \u0111\u01b0\u1ee3c c\u00e1c c\u00e1 nh\u00e2n \u0111\u1ee7 tr\u00ecnh \u0111\u1ed9 s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o l\u01b0\u1ee3ng \u0111i\u1ec7n \u00e1p hi\u1ec7n c\u00f3.<br \/>\nH\u00ecnh ph\u00eda b\u00ean ph\u1ea3i l\u00e0 v\u00f4n k\u1ebf, m\u1ed9t d\u1ee5ng c\u1ee5 \u0111o \u0111\u01b0\u1ee3c c\u00e1c th\u1ee3 \u0111i\u1ec7n s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u0111i\u1ec7n \u00e1p.<br \/>\n<span style=\"color: #000000; font-size: x-large;\"><span style=\"font-size: medium;\"><span style=\"font-family: Verdana; font-size: x-large;\"><strong>C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0AMMETER.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-6139\" title=\"0AMMETER\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0AMMETER.jpg\" alt=\"\" width=\"295\" height=\"283\" \/><\/a><\/strong><\/span><\/span><\/span><br \/>\nCh\u00fang ta \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebft r\u1eb1ng c\u00e1c electron chuy\u1ec3n \u0111\u1ed9ng qua m\u1ed9t v\u1eadt d\u1eabn nh\u01b0 d\u00e2y d\u1eabn v\u00e0 h\u01b0\u1edbng chuy\u1ec3n \u0111\u1ed9ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi t\u00ednh ph\u00e2n c\u1ef1c \u1edf m\u1ed7i \u0111\u1ea7u d\u00e2y d\u1eabn. C\u00e1c electron c\u00f3 \u0111i\u1ec7n t\u00edch tr\u00e1i d\u1ea5u s\u1ebd h\u00fat nhau v\u00e0 chuy\u1ec3n \u0111\u1ed9ng qua v\u1eadt d\u1eabn theo h\u01b0\u1edbng h\u00fat ch\u00fang.<br \/>\nT\u1ed1c \u0111\u1ed9 chuy\u1ec3n \u0111\u1ed9ng qua v\u1eadt d\u1eabn \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 c\u01b0\u1eddng \u0111\u1ed9 l\u1ef1c h\u00fat v\u00e0 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed9ng d\u1ec5 d\u00e0ng qua d\u00e2y d\u1eabn.<br \/>\nM\u1ee9c \u0111\u1ed9 l\u1ef1c h\u00fat \u0111\u01b0\u1ee3c d\u1ef1a tr\u00ean l\u01b0\u1ee3ng \u0111i\u1ec7n t\u00edch \u00e2m \u1edf m\u1ed9t \u0111\u1ea7u d\u00e2y v\u00e0 l\u01b0\u1ee3ng \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng \u1edf \u0111\u1ea7u d\u00e2y kh\u00e1c. \u0110i\u1ec7n \u00e1p c\u00e0ng cao th\u00ec l\u1ef1c h\u00fat c\u00e0ng l\u1edbn.M\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 l\u00e0m v\u1eadt d\u1eabn kh\u00e1 t\u1ed1t v\u00e0 cho ph\u00e9p s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng d\u1ec5 d\u00e0ng c\u1ee7a c\u00e1c electron. V\u00ed d\u1ee5 v\u1ec1 v\u1eadt d\u1eabn t\u1ed1t l\u00e0 b\u1ea1c v\u00e0 \u0111\u1ed3ng. \u0110\u1ed3ng \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn v\u00ec t\u00ednh kinh t\u1ebf so v\u1edbi b\u1ea1c. Ph\u1ea7n l\u1edbn kim lo\u1ea1i \u0111\u1ec1u l\u00e0 v\u1eadt d\u1eabn t\u1ed1t. C\u00e1c v\u1eadt li\u1ec7u kh\u00e1c c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00e0 v\u1eadt d\u1eabn t\u1ed1t do ch\u00fang c\u1ea3n tr\u1edf d\u00f2ng electron.<br \/>\nT\u1ed1c \u0111\u1ed9 \u0111i\u1ec7n chuy\u1ec3n \u0111\u1ed9ng qua d\u00e2y d\u1eabn \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n v\u00e0 \u0111\u01a1n v\u1ecb \u0111o \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ampe hay amp. D\u1ee5ng c\u1ee5 \u0111o \u1edf h\u00ecnh b\u00ean ph\u1ea3i \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ampe k\u1ebf v\u00e0 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 do l\u01b0\u1ee3ng d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua m\u1ed9t v\u1eadt d\u1eabn ho\u1eb7c d\u00e2y d\u1eabn.<br \/>\n<span style=\"color: #000000; font-size: x-large;\"><span style=\"font-size: medium;\"><span style=\"font-family: Verdana; font-size: x-large;\"><strong>M\u00e1y bi\u1ebfn th\u1ebf\u00a0<\/strong><\/span><\/span><\/span><br \/>\nV\u00ec \u0111i\u1ec7n \u00e1p tr\u00ean \u0111\u01b0\u1eddng d\u00e2y l\u01b0\u1edbi \u0111i\u1ec7n qu\u00e1 l\u1edbn \u0111\u1ec3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng n\u00ean m\u00e1y bi\u1ebfn th\u1ebf \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 nh\u1eadn \u0111i\u1ec7n \u00e1p cao h\u01a1n v\u00e0 gi\u1ea3m \u0111i\u1ec7n \u00e1p xu\u1ed1ng m\u1ee9c h\u1eefu d\u1ee5ng h\u01a1n.<br \/>\nM\u00e1y bi\u1ebfn th\u1ebf n\u1ed1i v\u1edbi \u0111\u01b0\u1eddng d\u00e2y l\u01b0\u1edbi \u0111i\u1ec7n c\u00f3 \u0111i\u1ec7n \u00e1p cao v\u00e0 cung c\u1ea5p \u0111i\u1ec7n n\u0103ng \u1edf m\u1ee9c \u0111i\u1ec7n \u00e1p th\u1ea5p h\u01a1n th\u00f4ng qua b\u1ed9 d\u00e2y d\u1eabn kh\u00e1c nhau.<br \/>\nM\u00e1y bi\u1ebfn th\u1ebf \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 gi\u1ea3m \u0111i\u1ec7n \u00e1p c\u00f2n g\u1ecdi l\u00e0 m\u00e1y bi\u1ebfn th\u1ebf gi\u1ea3m \u00e1p.<br \/>\nNgay c\u1ea3 khi \u1edf m\u1ee9c gi\u1ea3m, c\u00e1c \u0111i\u1ec7n \u00e1p n\u00e0y v\u1eabn c\u00f3 th\u1ec3 g\u00e2y nguy hi\u1ec3m.<br \/>\n<span style=\"color: #000000; font-size: x-large;\"><span style=\"font-size: medium;\"><span style=\"font-family: Verdana; font-size: x-large;\"><strong>C\u00f4ng su\u1ea5t<\/strong><\/span><\/span><\/span><br \/>\nCu\u1ed1i c\u00f9ng, \u0111i\u1ec7n \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn \u0111\u00edch \u0111\u1ebfn, n\u01a1i \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng watt k\u1ebf. M\u1ee9c s\u1eed d\u1ee5ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng watt.<br \/>\nWatt k\u1ebf \u0111o l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng\u00a0t\u1ea1i thi\u1ebft b\u1ecb cu\u1ed1i. C\u00f4ng ty cung c\u1ea5p \u0111i\u1ec7n s\u1eed d\u1ee5ng th\u00f4ng tin ghi l\u1ea1i b\u1eb1ng watt k\u1ebf \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kho\u1ea3n ti\u1ec1n ph\u1ea3i tr\u1ea3 cho c\u00f4ng ty.<br \/>\nTh\u00f4ng th\u01b0\u1eddng th\u00ec l\u01b0\u1ee3ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ea1i h\u1ed9 d\u00e2n s\u1ebd xu\u1ea5t hi\u1ec7n tr\u00ean h\u00f3a \u0111\u01a1n c\u1ee7a nh\u00e0 cung c\u1ea5p \u0111i\u1ec7n.<br \/>\n<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0KILOWATTMETER.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6141\" title=\"0KILOWATTMETER\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0KILOWATTMETER.png\" alt=\"\" width=\"270\" height=\"180\" \/><\/a><a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0ELECTRICIAN.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-6142\" title=\"0ELECTRICIAN\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0ELECTRICIAN-300x227.png\" alt=\"\" width=\"240\" height=\"182\" \/><\/a><br \/>\n<span style=\"color: #000000; font-family: Verdana; font-size: x-large;\"><span style=\"font-family: Arial; font-size: medium;\"><span style=\"font-size: x-large;\"><strong><span style=\"font-family: Verdana;\">B\u1ed9 Ngu\u1ed3n<object width=\"320\" height=\"240\" classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http:\/\/download.macromedia.com\/pub\/shockwave\/cabs\/flash\/swflash.cab#version=6,0,40,0\" align=\"right\"><param name=\"src\" value=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0POWERSUP.swf\" \/><embed width=\"320\" height=\"240\" type=\"application\/x-shockwave-flash\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2012\/07\/0POWERSUP.swf\" align=\"right\" \/><\/object><\/span><\/strong><\/span><\/span><\/span><br \/>\nV\u00ec \u0111i\u1ec7n xoay chi\u1ec1u th\u01b0\u01a1ng m\u1ea1i c\u00f3 \u0111i\u1ec7n \u00e1p cao nh\u01b0 v\u1eady n\u00ean kh\u00f4ng th\u1ec3 \u00e1p d\u1ee5ng tr\u1ef1c ti\u1ebfp cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u1ea3m bi\u1ebfn c\u1ee7a v\u0103n ph\u00f2ng v\u00e0 nh\u00e0 m\u00e1y m\u1ed9t c\u00e1ch an to\u00e0n.<br \/>\nDo \u0111\u00f3, c\u1ea7n c\u00f3 b\u1ed9 ngu\u1ed3n \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n xoay chi\u1ec1u th\u01b0\u01a1ng m\u1ea1i th\u00e0nh \u0111i\u1ec7n m\u1ed9t chi\u1ec1u \u0111i\u1ec7n \u00e1p th\u1ea5p \u0111\u1ec3 c\u1ea5p ngu\u1ed3n cho m\u1ea1ch t\u00edch h\u1ee3p (chip), tranzito v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c.<br \/>\nNh\u1ea5p v\u00e0o n\u00fat &#8220;play&#8221; (ph\u00e1t) trong h\u00ecnh \u0111\u1ec3 xem<br \/>\nc\u00e1ch b\u1ed9 ngu\u1ed3n c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i\u00a0\u0111i\u1ec7n xoay chi\u1ec1u th\u01b0\u01a1ng m\u1ea1i t\u1eeb \u1ed5 c\u1eafm \u0111i\u1ec7n \u1edf ph\u00eda b\u00ean tr\u00e1ih\u00ecnh \u0111\u1ec3 cung c\u1ea5p \u0111i\u1ec7n m\u1ed9t chi\u1ec1u DC \u0111i\u1ec7n \u00e1p th\u1ea5pcho c\u00e1c b\u1ed9 ph\u1eadn t\u1ef1 \u0111\u1ed9ng h\u00f3a kh\u00e1c n\u1eb1m \u1edfph\u00eda b\u00ean ph\u1ea3i h\u00ecnh.<br \/>\n&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1edbi thi\u1ec7u\u00a0 B\u1ed9 Ngu\u1ed3n l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao l\u1ea1i c\u1ea7n b\u1ed9 ngu\u1ed3n? M\u1ed9t \u0111\u1ecbnh ngh\u0129a v\u1ec1 B\u1ed9 Ngu\u1ed3n l\u00e0 &#8230; &#8220;m\u1ed9t thi\u1ebft b\u1ecb cung c\u1ea5p \u0111i\u1ec7n m\u1ed9t chi\u1ec1u y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i t\u1eeb \u0111i\u1ec7n xoay chi\u1ec1u th\u01b0\u01a1ng m\u1ea1i &#8220;&#8230; \u0110\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi \u0111\u1ea7u ti\u00ean, ch\u00fang ta s\u1ebd ph\u1ea3i t\u00ecm hi\u1ec3u th\u00eam [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":6131,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10278],"tags":[10288,10289,10290],"class_list":["post-6130","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bai-5-bo-nguon","tag-cau-tao-bo-nguon","tag-nguyen-ly-bo-nguon","tag-tai-lieu-bo-nguon"],"_links":{"self":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/6130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6130"}],"version-history":[{"count":0,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/6130\/revisions"}],"wp:attachment":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}