{"id":75050,"date":"2025-09-25T23:50:27","date_gmt":"2025-09-25T23:50:27","guid":{"rendered":"https:\/\/onlineexammaker.com\/kb\/?p=75050"},"modified":"2025-11-01T05:45:11","modified_gmt":"2025-11-01T05:45:11","slug":"15-electronics-quiz-questions-and-answers-vi","status":"publish","type":"post","link":"https:\/\/onlineexammaker.com\/kb\/vi\/15-electronics-quiz-questions-and-answers-vi\/","title":{"rendered":"15 c\u00e2u h\u1ecfi v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a b\u00e0i ki\u1ec3m tra \u0111i\u1ec7n t\u1eed"},"content":{"rendered":"<p>\u0110i\u1ec7n t\u1eed l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt li\u00ean quan \u0111\u1ebfn nghi\u00ean c\u1ee9u, thi\u1ebft k\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb v\u00e0 m\u1ea1ch s\u1eed d\u1ee5ng lu\u1ed3ng \u0111i\u1ec7n t\u1eed \u0111\u1ec3 x\u1eed l\u00fd v\u00e0 truy\u1ec1n th\u00f4ng tin ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng kh\u00e1c nhau. N\u00f3 bao g\u1ed3m m\u1ed9t lo\u1ea1t c\u00e1c c\u00f4ng ngh\u1ec7 v\u00e0 \u1ee9ng d\u1ee5ng, \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong x\u00e3 h\u1ed9i hi\u1ec7n \u0111\u1ea1i.<\/p>\n<p>C\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n b\u00e1n d\u1eabn, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u00f3ng b\u00e1n d\u1eabn, \u0111i\u1ed1t v\u00e0 m\u1ea1ch t\u00edch h\u1ee3p, \u0111i\u1ec1u khi\u1ec3n d\u00f2ng \u0111i\u1ec7n c\u1ee7a d\u00f2ng \u0111i\u1ec7n \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 c\u1ee5 th\u1ec3. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y l\u00e0 trung t\u00e2m c\u1ee7a nhi\u1ec1u c\u00f4ng ngh\u1ec7 ch\u00fang t\u00f4i s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y, bao g\u1ed3m m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, tivi, radio v\u00e0 c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng kh\u00e1c nhau.<\/p>\n<p>L\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u00e1ng k\u1ec3 trong nh\u1eefng n\u0103m qua, d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed9 vi x\u1eed l\u00fd, b\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 v\u00e0 chip b\u1ed9 nh\u1edb, \u0111\u00e3 c\u00e1ch m\u1ea1ng h\u00f3a t\u00ednh to\u00e1n v\u00e0 giao ti\u1ebfp. Nh\u1eefng ti\u1ebfn b\u1ed9 trong \u0111i\u1ec7n t\u1eed \u0111\u00e3 cho ph\u00e9p thu nh\u1ecf c\u00e1c th\u00e0nh ph\u1ea7n, d\u1eabn \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb nh\u1ecf h\u01a1n, m\u1ea1nh h\u01a1n v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p>\u0110i\u1ec7n t\u1eed c\u0169ng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec5n th\u00f4ng, cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 gi\u1ecdng n\u00f3i tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i th\u00f4ng qua c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ea1ng c\u00e1p quang v\u00e0 c\u00f4ng ngh\u1ec7 kh\u00f4ng d\u00e2y.<\/p>\n<h3>T\u1ed5ng quan b\u00e0i vi\u1ebft<\/h3>\n<ul class=\"article_list\">\n<li><a href=\"#1\">Ph\u1ea7n 1: T\u1ea1o m\u1ed9t b\u00e0i ki\u1ec3m tra \u0111i\u1ec7n t\u1eed tuy\u1ec7t v\u1eddi s\u1eed d\u1ee5ng AI ngay l\u1eadp t\u1ee9c trong OnlineExamMaker<\/a><\/li>\n<li><a href=\"#2\">Ph\u1ea7n 2: 15 C\u00e2u h\u1ecfi &#038; c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a Quiz \u0110i\u1ec7n t\u1eed<\/a><\/li>\n<li><a href=\"#3\">Ph\u1ea7n 3: T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e2u h\u1ecfi \u0111\u1ed1 b\u1eb1ng tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI<\/a><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2023\/08\/electronics.webp\" alt=\"\"\/><\/p>\n<h3 id=\"1\">Ph\u1ea7n 1: T\u1ea1o m\u1ed9t b\u00e0i ki\u1ec3m tra \u0111i\u1ec7n t\u1eed tuy\u1ec7t v\u1eddi s\u1eed d\u1ee5ng AI ngay l\u1eadp t\u1ee9c trong OnlineExamMaker<\/h3>\n<p>C\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ki\u1ebfn \u200b\u200bth\u1ee9c \u0111i\u1ec7n t\u1eed c\u1ee7a c\u00e1c \u1ee9ng c\u1eed vi\u00ean l\u00e0 s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng \u0111\u00e1nh gi\u00e1 AI nh\u01b0 OnlineExamMaker. V\u1edbi Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI OnlineExamMaker, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp n\u1ed9i dung nh\u01b0 v\u0103n b\u1ea3n, t\u00e0i li\u1ec7u ho\u1eb7c ch\u1ee7 \u0111\u1ec1, v\u00e0 sau \u0111\u00f3 t\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e1c c\u00e2u h\u1ecfi \u1edf c\u00e1c \u0111\u1ecbnh d\u1ea1ng kh\u00e1c nhau (v\u00ed d\u1ee5: nhi\u1ec1u l\u1ef1a ch\u1ecdn, \u0111\u00fang\/sai, c\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn). H\u1ecdc sinh l\u1edbp AI c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng ch\u1ea5m \u0111i\u1ec3m b\u00e0i ki\u1ec3m tra v\u00e0 t\u1ea1o c\u00e1c b\u00e1o c\u00e1o s\u00e2u s\u1eafc sau khi \u1ee9ng vi\u00ean c\u1ee7a b\u1ea1n g\u1eedi \u0111\u00e1nh gi\u00e1.<\/p>\n<p><strong> T\u1ed5ng quan v\u1ec1 c\u00e1c t\u00ednh n\u0103ng li\u00ean quan \u0111\u1ebfn \u0111\u00e1nh gi\u00e1 ch\u00ednh c\u1ee7a n\u00f3: <\/strong><br \/>\n\u25cf T\u1ea1o t\u1ed1i \u0111a 10 lo\u1ea1i c\u00e2u h\u1ecfi, bao g\u1ed3m nhi\u1ec1u l\u1ef1a ch\u1ecdn, \u0111\u00fang\/sai, \u0111i\u1ec1n v\u00e0o ch\u1ed7 tr\u1ed1ng, ph\u00f9 h\u1ee3p, c\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn v\u00e0 c\u00e2u h\u1ecfi ti\u1ec3u lu\u1eadn.<br \/>\n\u25cf T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e1c b\u00e1o c\u00e1o chi ti\u1ebft v\u1ec1 \u0111i\u1ec3m s\u1ed1 c\u00e1 nh\u00e2n, b\u00e1o c\u00e1o c\u00e2u h\u1ecfi v\u00e0 hi\u1ec7u su\u1ea5t nh\u00f3m.<br \/>\nIs<br \/>\n\u25cf API v\u00e0 SSO gi\u00fap c\u00e1c hu\u1ea5n luy\u1ec7n vi\u00ean t\u00edch h\u1ee3p OpenExammaker v\u1edbi Google Classroom, Microsoft Teams, CRM v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa.<\/p>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/zlqho9igH2Y\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/p>\n<div class=\"blog_double_btn clearfix\">\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html?refer=download_questions\" target=\"_blank\" rel=\"noopener\">Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI<\/a><\/div>\n<div class=\"p-style-b\">T\u1ea1o c\u00e2u h\u1ecfi cho b\u1ea5t k\u1ef3 ch\u1ee7 \u0111\u1ec1 n\u00e0o<\/div>\n<\/div>\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/sign-up.html?refer=blog_btn\"> T\u1ea1o m\u1ed9t c\u00e2u \u0111\u1ed1<\/a><\/div>\n<div class=\"p-style-b\">Mi\u1ec5n ph\u00ed 100% m\u00e3i m\u00e3i<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 id=\"2\">Ph\u1ea7n 2: 15 C\u00e2u h\u1ecfi &#038; c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a Quiz \u0110i\u1ec7n t\u1eed<\/h3>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Sao ch\u00e9p c\u00e2u h\u1ecfi<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">T\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/button><\/p>\n<div id=\"copy_questions\">\n<p>1. C\u00e2u h\u1ecfi: \u0110\u1ecbnh lu\u1eadt Ohm cho bi\u1ebft \u0111i\u1ec1u g\u00ec?<br \/>\n   A. D\u00f2ng \u0111i\u1ec7n t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi \u0111i\u1ec7n \u00e1p.<br \/>\n   B. \u0110i\u1ec7n \u00e1p t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi \u0111i\u1ec7n tr\u1edf.<br \/>\n   C. D\u00f2ng \u0111i\u1ec7n t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi \u0111i\u1ec7n tr\u1edf.<br \/>\n   D. \u0110i\u1ec7n \u00e1p t\u1ec9 l\u1ec7 ngh\u1ecbch v\u1edbi d\u00f2ng \u0111i\u1ec7n.<br \/>\n   \u0110\u00e1p \u00e1n \u0111\u00fang: A.<br \/>\n   Gi\u1ea3i th\u00edch: \u0110\u1ecbnh lu\u1eadt Ohm n\u00eau r\u1eb1ng d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua m\u1ed9t v\u1eadt d\u1eabn t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi \u0111i\u1ec7n \u00e1p gi\u1eefa hai \u0111\u1ea7u v\u00e0 t\u1ec9 l\u1ec7 ngh\u1ecbch v\u1edbi \u0111i\u1ec7n tr\u1edf, t\u1ee9c I = V\/R.<\/p>\n<p>2. C\u00e2u h\u1ecfi: S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u (AC) v\u00e0 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u (DC) l\u00e0 g\u00ec?<br \/>\n   A. AC thay \u0111\u1ed5i h\u01b0\u1edbng, DC kh\u00f4ng thay \u0111\u1ed5i.<br \/>\n   B. DC thay \u0111\u1ed5i h\u01b0\u1edbng, AC kh\u00f4ng thay \u0111\u1ed5i.<br \/>\n   C. AC c\u00f3 \u0111i\u1ec7n \u00e1p cao h\u01a1n DC.<br \/>\n   D. DC ch\u1ec9 d\u00f9ng trong pin, AC d\u00f9ng trong l\u01b0\u1edbi \u0111i\u1ec7n.<br \/>\n   \u0110\u00e1p \u00e1n \u0111\u00fang: A.<br \/>\n   Gi\u1ea3i th\u00edch: D\u00f2ng \u0111i\u1ec7n AC thay \u0111\u1ed5i h\u01b0\u1edbng li\u00ean t\u1ee5c theo th\u1eddi gian, trong khi DC duy tr\u00ec h\u01b0\u1edbng kh\u00f4ng \u0111\u1ed5i, th\u01b0\u1eddng t\u1eeb pin ho\u1eb7c acquy.<\/p>\n<p>3. C\u00e2u h\u1ecfi: Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a t\u1ee5 \u0111i\u1ec7n l\u00e0 g\u00ec?<br \/>\n   A. L\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n t\u1eeb tr\u01b0\u1eddng.<br \/>\n   B. L\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n tr\u01b0\u1eddng.<br \/>\n   C. T\u0103ng c\u01b0\u1eddng d\u00f2ng \u0111i\u1ec7n.<br \/>\n   D. Chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p.<br \/>\n   \u0110\u00e1p \u00e1n \u0111\u00fang: B.<br \/>\n   Gi\u1ea3i th\u00edch: T\u1ee5 \u0111i\u1ec7n l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng \u0111i\u1ec7n tr\u01b0\u1eddng gi\u1eefa hai b\u1ea3n c\u1ef1c, v\u00e0 n\u00f3 cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111i qua nh\u01b0ng c\u1ea3n d\u00f2ng m\u1ed9t chi\u1ec1u.<\/p>\n<p>4. C\u00e2u h\u1ecfi: Trong m\u1ea1ch \u0111i\u1ec7n song song, \u0111\u1eb7c \u0111i\u1ec3m n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang?<br \/>\n   A. \u0110i\u1ec7n \u00e1p gi\u1eefa c\u00e1c nh\u00e1nh b\u1eb1ng nhau.<br \/>\n   B. D\u00f2ng \u0111i\u1ec7n qua c\u00e1c nh\u00e1nh b\u1eb1ng nhau.<br \/>\n   C. \u0110i\u1ec7n tr\u1edf t\u1ed5ng b\u1eb1ng t\u1ed5ng \u0111i\u1ec7n tr\u1edf c\u00e1c nh\u00e1nh.<br \/>\n   D. M\u1ea1ch d\u1ec5 \u0111\u1ee9t h\u01a1n m\u1ea1ch n\u1ed1i ti\u1ebfp.<br \/>\n   \u0110\u00e1p \u00e1n \u0111\u00fang: A.<br \/>\n   Gi\u1ea3i th\u00edch: Trong m\u1ea1ch song song, \u0111i\u1ec7n \u00e1p gi\u1eefa c\u00e1c nh\u00e1nh l\u00e0 nh\u01b0 nhau, trong khi d\u00f2ng \u0111i\u1ec7n ph\u00e2n b\u1ed1 theo t\u1eebng nh\u00e1nh d\u1ef1a v\u00e0o \u0111i\u1ec7n tr\u1edf c\u1ee7a ch\u00fang.<\/p>\n<p>5. C\u00e2u h\u1ecfi: \u0110i\u1ed1t l\u00e0 g\u00ec?<br \/>\n   A. M\u1ed9t linh ki\u1ec7n cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n \u0111i qua hai chi\u1ec1u.<br \/>\n   B. M\u1ed9t linh ki\u1ec7n cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n \u0111i qua m\u1ed9t chi\u1ec1u.<br \/>\n   C. M\u1ed9t lo\u1ea1i \u0111i\u1ec7n tr\u1edf bi\u1ebfn thi\u00ean.<br \/>\n   D. M\u1ed9t b\u1ed9 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u.<br \/>\n   \u0110\u00e1p \u00e1n \u0111\u00fang: B.<br \/>\n   Gi\u1ea3i th\u00edch: \u0110i\u1ed1t l\u00e0 linh ki\u1ec7n b\u00e1n d\u1eabn cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n \u0111i qua theo m\u1ed9t h\u01b0\u1edbng (ti\u1ec1n khu\u1ebfch \u0111\u1ea1i) v\u00e0 c\u1ea3n tr\u1edf \u1edf h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n<p>6. C\u00e2u h\u1ecfi: Transistor c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 th\u1ebf n\u00e0o?<br \/>\n   A. L\u00e0m ngu\u1ed3n \u0111i\u1ec7n.<br \/>\n   B. L\u00e0m c\u00f4ng t\u1eafc \u0111i\u1ec7n t\u1eed.<br \/>\n   C. L\u00e0m t\u1ee5 \u0111i\u1ec7n.<br \/>\n   D. L\u00e0m bi\u1ebfn th\u1ebf.<br \/>\n   \u0110\u00e1p \u00e1n \u0111\u00fang: B.<br \/>\n   Gi\u1ea3i th\u00edch: Transistor ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t c\u00f4ng t\u1eafc \u0111i\u1ec7n t\u1eed, ki\u1ec3m so\u00e1t d\u00f2ng \u0111i\u1ec7n gi\u1eefa c\u00e1c c\u1ef1c d\u1ef1a v\u00e0o t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o, th\u01b0\u1eddng d\u00f9ng trong m\u1ea1ch khu\u1ebfch \u0111\u1ea1i v\u00e0 chuy\u1ec3n m\u1ea1ch.<\/p>\n<p>7. C\u00e2u h\u1ecfi: C\u1ed5ng logic AND ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<br \/>\n   A. \u0110\u1ea7u ra l\u00e0 1 n\u1ebfu \u00edt nh\u1ea5t m\u1ed9t \u0111\u1ea7u v\u00e0o l\u00e0 1.<br \/>\n   B. \u0110\u1ea7u ra l\u00e0 1 n\u1ebfu t\u1ea5t c\u1ea3 \u0111\u1ea7u v\u00e0o l\u00e0 1.<br \/>\n   C. \u0110\u1ea7u ra l\u00e0 0 n\u1ebfu t\u1ea5t c\u1ea3 \u0111\u1ea7u v\u00e0o l\u00e0 1.<br \/>\n   D. \u0110\u1ea7u ra lu\u00f4n l\u00e0 0.<br \/>\n   \u0110\u00e1p \u00e1n \u0111\u00fang: B.<br \/>\n   Gi\u1ea3i th\u00edch: C\u1ed5ng AND cho \u0111\u1ea7u ra l\u00e0 1 ch\u1ec9 khi t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ea7u v\u00e0o \u0111\u1ec1u l\u00e0 1; n\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 \u0111\u1ea7u v\u00e0o n\u00e0o l\u00e0 0, \u0111\u1ea7u ra s\u1ebd l\u00e0 0.<\/p>\n<p>8. C\u00e2u h\u1ecfi: M\u00e3 m\u00e0u c\u1ee7a \u0111i\u1ec7n tr\u1edf cho bi\u1ebft \u0111i\u1ec1u g\u00ec?<br \/>\n   A. Gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c.<br \/>\n   B. Ch\u1ec9 gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf.<br \/>\n   C. Ch\u1ec9 \u0111\u1ed9 ch\u00ednh x\u00e1c.<br \/>\n   D. Gi\u00e1 tr\u1ecb c\u00f4ng su\u1ea5t.<br \/>\n   \u0110\u00e1p \u00e1n \u0111\u00fang: A.<br \/>\n   Gi\u1ea3i th\u00edch: M\u00e3 m\u00e0u tr\u00ean \u0111i\u1ec7n tr\u1edf \u0111\u1ea1i di\u1ec7n cho gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf (theo d\u1ea3i m\u00e0u) v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c (m\u00e0u c\u1ee7a d\u1ea3i cu\u1ed1i c\u00f9ng), gi\u00fap x\u00e1c \u0111\u1ecbnh th\u00f4ng s\u1ed1 m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.<\/p>\n<p>9. C\u00e2u h\u1ecfi: \u0110\u1ecbnh lu\u1eadt Kirchhoff v\u1ec1 \u0111i\u1ec7n \u00e1p n\u00eau r\u1eb1ng g\u00ec?<br \/>\n   A. T\u1ed5ng \u0111i\u1ec7n \u00e1p trong m\u1ea1ch k\u00edn b\u1eb1ng kh\u00f4ng.<br \/>\n   B. T\u1ed5ng d\u00f2ng \u0111i\u1ec7n v\u00e0o n\u00fat b\u1eb1ng t\u1ed5ng d\u00f2ng \u0111i\u1ec7n ra.<br \/>\n   C. \u0110i\u1ec7n \u00e1p t\u1ec9 l\u1ec7 v\u1edbi d\u00f2ng \u0111i\u1ec7n.<br \/>\n   D. \u0110i\u1ec7n tr\u1edf t\u1ed5ng b\u1eb1ng \u0111i\u1ec7n \u00e1p chia cho d\u00f2ng \u0111i\u1ec7n.<br \/>\n   \u0110\u00e1p \u00e1n \u0111\u00fang: A.<br \/>\n   Gi\u1ea3i th\u00edch: \u0110\u1ecbnh lu\u1eadt Kirchhoff v\u1ec1 \u0111i\u1ec7n \u00e1p (ho\u1eb7c \u0111\u1ecbnh lu\u1eadt v\u00f2ng k\u00edn) cho r\u1eb1ng t\u1ed5ng hi\u1ec7u \u0111i\u1ec7n \u00e1p quanh m\u1ed9t v\u00f2ng k\u00edn trong m\u1ea1ch \u0111i\u1ec7n b\u1eb1ng kh\u00f4ng.<\/p>\n<p>10. C\u00e2u h\u1ecfi: B\u1ed9 khu\u1ebfch \u0111\u1ea1i (amplifier) trong \u0111i\u1ec7n t\u1eed d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<br \/>\n    A. Gi\u1ea3m t\u00edn hi\u1ec7u.<br \/>\n    B. T\u0103ng c\u01b0\u1eddng t\u00edn hi\u1ec7u.<br \/>\n    C. Chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u.<br \/>\n    D. L\u01b0u tr\u1eef t\u00edn hi\u1ec7u.<br \/>\n    \u0110\u00e1p \u00e1n \u0111\u00fang: B.<br \/>\n    Gi\u1ea3i th\u00edch: B\u1ed9 khu\u1ebfch \u0111\u1ea1i t\u0103ng c\u01b0\u1eddng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o m\u00e0 kh\u00f4ng thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng, th\u01b0\u1eddng s\u1eed d\u1ee5ng transistor ho\u1eb7c op-amp.<\/p>\n<p>11. C\u00e2u h\u1ecfi: Dao \u0111\u1ed9ng vi\u00ean (oscillator) l\u00e0 g\u00ec?<br \/>\n    A. M\u1ed9t m\u1ea1ch t\u1ea1o ra t\u00edn hi\u1ec7u li\u00ean t\u1ee5c.<br \/>\n    B. M\u1ed9t m\u1ea1ch l\u1ecdc t\u00edn hi\u1ec7u.<br \/>\n    C. M\u1ed9t m\u1ea1ch chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p.<br \/>\n    D. M\u1ed9t m\u1ea1ch l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng.<br \/>\n    \u0110\u00e1p \u00e1n \u0111\u00fang: A.<br \/>\n    Gi\u1ea3i th\u00edch: Oscillator l\u00e0 m\u1ea1ch \u0111i\u1ec7n t\u1eed t\u1ea1o ra s\u00f3ng t\u00edn hi\u1ec7u \u0111\u1ecbnh k\u1ef3, nh\u01b0 s\u00f3ng sin ho\u1eb7c vu\u00f4ng, th\u01b0\u1eddng d\u00f9ng trong \u0111\u1ed3ng h\u1ed3 ho\u1eb7c b\u1ed9 ph\u00e1t s\u00f3ng.<\/p>\n<p>12. C\u00e2u h\u1ecfi: C\u00f4ng su\u1ea5t trong m\u1ea1ch \u0111i\u1ec7n \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 th\u1ebf n\u00e0o?<br \/>\n    A. P = V + I.<br \/>\n    B. P = V * I.<br \/>\n    C. P = I \/ R.<br \/>\n    D. P = V &#8211; I.<br \/>\n    \u0110\u00e1p \u00e1n \u0111\u00fang: B.<br \/>\n    Gi\u1ea3i th\u00edch: C\u00f4ng su\u1ea5t \u0111i\u1ec7n l\u00e0 t\u00edch c\u1ee7a \u0111i\u1ec7n \u00e1p (V) v\u00e0 d\u00f2ng \u0111i\u1ec7n (I), t\u1ee9c P = V * I, \u0111o l\u01b0\u1eddng n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5 trong m\u1ed9t kho\u1ea3ng th\u1eddi gian.<\/p>\n<p>13. C\u00e2u h\u1ecfi: Ch\u1ea5t b\u00e1n d\u1eabn lo\u1ea1i N v\u00e0 lo\u1ea1i P kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<br \/>\n    A. Lo\u1ea1i N c\u00f3 l\u1ed7 tr\u1ed1ng, lo\u1ea1i P c\u00f3 electron t\u1ef1 do.<br \/>\n    B. Lo\u1ea1i N c\u00f3 electron t\u1ef1 do, lo\u1ea1i P c\u00f3 l\u1ed7 tr\u1ed1ng.<br \/>\n    C. C\u1ea3 hai \u0111\u1ec1u gi\u1ed1ng nhau.<br \/>\n    D. Lo\u1ea1i N d\u00f9ng cho \u0111i\u1ed1t, lo\u1ea1i P d\u00f9ng cho transistor.<br \/>\n    \u0110\u00e1p \u00e1n \u0111\u00fang: B.<br \/>\n    Gi\u1ea3i th\u00edch: Ch\u1ea5t b\u00e1n d\u1eabn lo\u1ea1i N \u0111\u01b0\u1ee3c pha t\u1ea1p \u0111\u1ec3 c\u00f3 nhi\u1ec1u electron t\u1ef1 do, trong khi lo\u1ea1i P c\u00f3 nhi\u1ec1u l\u1ed7 tr\u1ed1ng (v\u1eafng electron), t\u1ea1o n\u00ean c\u00e1c linh ki\u1ec7n nh\u01b0 \u0111i\u1ed1t ho\u1eb7c transistor.<\/p>\n<p>14. C\u00e2u h\u1ecfi: T\u00edch h\u1ee3p m\u1ea1ch (IC) l\u00e0 g\u00ec?<br \/>\n    A. M\u1ed9t m\u1ea1ch \u0111i\u1ec7n r\u1eddi r\u1ea1c.<br \/>\n    B. M\u1ed9t chip ch\u1ee9a nhi\u1ec1u linh ki\u1ec7n \u0111i\u1ec7n t\u1eed t\u00edch h\u1ee3p.<br \/>\n    C. M\u1ed9t lo\u1ea1i \u0111i\u1ec7n tr\u1edf.<br \/>\n    D. M\u1ed9t b\u1ed9 ngu\u1ed3n \u0111i\u1ec7n.<br \/>\n    \u0110\u00e1p \u00e1n \u0111\u00fang: B.<br \/>\n    Gi\u1ea3i th\u00edch: IC l\u00e0 m\u1ed9t m\u1ea1ch \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o tr\u00ean m\u1ed9t chip silicon, ch\u1ee9a h\u00e0ng ngh\u00ecn ho\u1eb7c tri\u1ec7u linh ki\u1ec7n nh\u01b0 transistor v\u00e0 \u0111i\u1ec7n tr\u1edf, d\u00f9ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng ph\u1ee9c t\u1ea1p.<\/p>\n<p>15. C\u00e2u h\u1ecfi: C\u00f4ng c\u1ee5 \u0111o l\u01b0\u1eddng \u0111a n\u0103ng (multimeter) d\u00f9ng \u0111\u1ec3 \u0111o g\u00ec?<br \/>\n    A. Ch\u1ec9 \u0111o \u0111i\u1ec7n \u00e1p.<br \/>\n    B. \u0110o \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n tr\u1edf.<br \/>\n    C. Ch\u1ec9 \u0111o d\u00f2ng \u0111i\u1ec7n.<br \/>\n    D. \u0110o nhi\u1ec7t \u0111\u1ed9.<br \/>\n    \u0110\u00e1p \u00e1n \u0111\u00fang: B.<br \/>\n    Gi\u1ea3i th\u00edch: Multimeter l\u00e0 thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111o \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n, \u0111i\u1ec7n tr\u1edf, v\u00e0 m\u1ed9t s\u1ed1 th\u00f4ng s\u1ed1 kh\u00e1c nh\u01b0 t\u1ea7n s\u1ed1, gi\u00fap ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa m\u1ea1ch \u0111i\u1ec7n.<\/p>\n<\/div>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Sao ch\u00e9p c\u00e2u h\u1ecfi<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">T\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/button><\/p>\n<h3 id=\"3\">Ph\u1ea7n 3: T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e2u h\u1ecfi \u0111\u1ed1 b\u1eb1ng tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI<\/h3>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/zlqho9igH2Y\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/p>\n<div class=\"blog_double_btn clearfix\">\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html?refer=download_questions\" target=\"_blank\" rel=\"noopener\">Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI<\/a><\/div>\n<div class=\"p-style-b\">T\u1ea1o c\u00e2u h\u1ecfi cho b\u1ea5t k\u1ef3 ch\u1ee7 \u0111\u1ec1 n\u00e0o<\/div>\n<\/div>\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/sign-up.html?refer=blog_btn\"> T\u1ea1o m\u1ed9t c\u00e2u \u0111\u1ed1<\/a><\/div>\n<div class=\"p-style-b\">Mi\u1ec5n ph\u00ed 100% m\u00e3i m\u00e3i<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><script src=\"https:\/\/unpkg.com\/@popperjs\/core@2\"><\/script><br \/>\n<script src=\"https:\/\/unpkg.com\/tippy.js@6\"><\/script><\/p>\n<p><script type=\"text\/javascript\">\nfunction myFunction() {\nvar copyText = document.getElementById(\"copy_questions\");console.log(copyText.innerText);navigator.clipboard.writeText(copyText.innerText);\n}\nfunction myFunction1() {\n\u00a0  \u00a0 \u00a0 window.open(\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html\");\n\u00a0 }\nvar copy1, copy2;\n        tippy('#copyquestionsBtn', {\n        'content': \"Copy questions to clipboard\",\n       trigger: 'mouseenter',\n       'onCreate':function(instance){\n              copy1 = instance;\n       },\n       'onTrigger' : function(instance, event) {\n              copy2.hide();\n       }\n       });\n       tippy('#copyquestionsBtn', {\n       'content': \"Copied successfully\",\n       trigger: 'click',\n       'onCreate':function(instance){\n              copy2 = instance;\n       },\n       'onTrigger' : function(instance, event) {\n              copy1.hide();\n       }\n       });\ntippy('#genquestionsBtn', {\n        'content': \"Generate questions using AI for free\",\n         trigger: 'mouseenter'\n       });\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110i\u1ec7n t\u1eed l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt li\u00ean quan \u0111\u1ebfn nghi\u00ean c\u1ee9u, thi\u1ebft k\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb v\u00e0 m\u1ea1ch s\u1eed d\u1ee5ng lu\u1ed3ng \u0111i\u1ec7n t\u1eed \u0111\u1ec3 x\u1eed l\u00fd v\u00e0 truy\u1ec1n th\u00f4ng tin ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng kh\u00e1c nhau. N\u00f3 bao g\u1ed3m m\u1ed9t lo\u1ea1t c\u00e1c c\u00f4ng ngh\u1ec7 v\u00e0 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":14451,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6049],"tags":[],"class_list":["post-75050","post","type-post","status-publish","format-standard","hentry","category-questions-answers-vi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>15 c\u00e2u h\u1ecfi v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a b\u00e0i ki\u1ec3m tra \u0111i\u1ec7n t\u1eed - OnlineExamMaker Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/onlineexammaker.com\/kb\/vi\/15-electronics-quiz-questions-and-answers-vi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"15 c\u00e2u h\u1ecfi v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a b\u00e0i ki\u1ec3m tra \u0111i\u1ec7n t\u1eed - OnlineExamMaker Blog\" \/>\n<meta property=\"og:description\" content=\"\u0110i\u1ec7n t\u1eed l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt li\u00ean quan \u0111\u1ebfn nghi\u00ean c\u1ee9u, thi\u1ebft k\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb v\u00e0 m\u1ea1ch s\u1eed d\u1ee5ng lu\u1ed3ng \u0111i\u1ec7n t\u1eed \u0111\u1ec3 x\u1eed l\u00fd v\u00e0 truy\u1ec1n th\u00f4ng tin ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng kh\u00e1c nhau. 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