Ch\u01b0\u01a1ng 3 - B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u<\/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:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u01b0\u01a1ng 3 - B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 74 SGK V\u1eadt L\u00fd 12):\u00a0Ph\u00e1t bi\u1ec3u \u0111\u1ecbnh lu\u1eadt \u00d4m c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u1ed1i v\u1edbi m\u1ea1ch ch\u1ec9 c\u00f3 a) m\u1ed9t t\u1ee5 \u0111i\u1ec7n b) m\u1ed9t cu\u1ed9n c\u1ea3m thu\u1ea7n L\u1eddi gi\u1ea3i: \u0110\u1ecbnh lu\u1eadt \u00d4m c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ch\u1ec9 c\u00f3 m\u1ed9t t\u1ee5 \u0111i\u1ec7n. C\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng trong m\u1ea1ch ch\u1ee9a t\u1ee5 \u0111i\u1ec7n […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:published_time\" content=\"2018-03-30T10:26:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/1-610.png\" \/>\n\t<meta property=\"og:image:width\" content=\"228\" \/>\n\t<meta property=\"og:image:height\" content=\"85\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"H\u00e0 Trang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"H\u00e0 Trang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/\",\"url\":\"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/\",\"name\":\"Ch\u01b0\u01a1ng 3 - B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2018-03-30T10:26:59+00:00\",\"dateModified\":\"2018-03-30T10:26:59+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ch\u01b0\u01a1ng 3 – B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lop12.edu.vn\/#website\",\"url\":\"https:\/\/lop12.edu.vn\/\",\"name\":\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/lop12.edu.vn\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\",\"name\":\"H\u00e0 Trang\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"caption\":\"H\u00e0 Trang\"},\"url\":\"https:\/\/lop12.edu.vn\/author\/trangvth2\/\"}]}<\/script>\n","yoast_head_json":{"title":"Ch\u01b0\u01a1ng 3 - B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/","og_locale":"en_US","og_type":"article","og_title":"Ch\u01b0\u01a1ng 3 - B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u","og_description":"B\u00e0i 1 (trang 74 SGK V\u1eadt L\u00fd 12):\u00a0Ph\u00e1t bi\u1ec3u \u0111\u1ecbnh lu\u1eadt \u00d4m c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u1ed1i v\u1edbi m\u1ea1ch ch\u1ec9 c\u00f3 a) m\u1ed9t t\u1ee5 \u0111i\u1ec7n b) m\u1ed9t cu\u1ed9n c\u1ea3m thu\u1ea7n L\u1eddi gi\u1ea3i: \u0110\u1ecbnh lu\u1eadt \u00d4m c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ch\u1ec9 c\u00f3 m\u1ed9t t\u1ee5 \u0111i\u1ec7n. C\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng trong m\u1ea1ch ch\u1ee9a t\u1ee5 \u0111i\u1ec7n […]","og_url":"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/","og_site_name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam","article_published_time":"2018-03-30T10:26:59+00:00","og_image":[{"width":228,"height":85,"url":"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/1-610.png","type":"image\/png"}],"author":"H\u00e0 Trang","twitter_card":"summary_large_image","twitter_misc":{"Written by":"H\u00e0 Trang","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/","url":"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/","name":"Ch\u01b0\u01a1ng 3 - B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u","isPartOf":{"@id":"https:\/\/lop12.edu.vn\/#website"},"datePublished":"2018-03-30T10:26:59+00:00","dateModified":"2018-03-30T10:26:59+00:00","author":{"@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45"},"breadcrumb":{"@id":"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lop12.edu.vn\/"},{"@type":"ListItem","position":2,"name":"Ch\u01b0\u01a1ng 3 – B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u"}]},{"@type":"WebSite","@id":"https:\/\/lop12.edu.vn\/#website","url":"https:\/\/lop12.edu.vn\/","name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lop12.edu.vn\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45","name":"H\u00e0 Trang","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g","caption":"H\u00e0 Trang"},"url":"https:\/\/lop12.edu.vn\/author\/trangvth2\/"}]}},"_links":{"self":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/24820"}],"collection":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/comments?post=24820"}],"version-history":[{"count":1,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/24820\/revisions"}],"predecessor-version":[{"id":24832,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/24820\/revisions\/24832"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media\/24821"}],"wp:attachment":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media?parent=24820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/categories?post=24820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/tags?post=24820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

B\u00e0i 1 (trang 74 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0Ph\u00e1t bi\u1ec3u \u0111\u1ecbnh lu\u1eadt \u00d4m c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u1ed1i v\u1edbi m\u1ea1ch ch\u1ec9 c\u00f3<\/span><\/p>\n

\u0110\u1ecbnh lu\u1eadt \u00d4m c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ch\u1ec9 c\u00f3 m\u1ed9t t\u1ee5 \u0111i\u1ec7n.<\/p>\n

C\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng trong m\u1ea1ch ch\u1ee9a t\u1ee5 \u0111i\u1ec7n c\u00f3 gi\u00e1 tr\u1ecb b\u1eb1ng th\u01b0\u01a1ng s\u1ed1 c\u1ee7a \u0111i\u1ec7n \u00e1p hi\u1ec7u d\u1ee5ng gi\u1eefa hai \u0111\u1ea7u m\u1ea1ch v\u00e0 dung kh\u00e1ng c\u1ee7a m\u1ea1ch.<\/p>\n

\u0110\u1ecbnh lu\u1eadt \u00d4m c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ch\u1ec9 c\u00f3 m\u1ed9t cu\u1ed9n c\u1ea3m thu\u1ea7n.<\/p>\n

C\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng trong m\u1ea1ch ch\u1ee9a m\u1ed9t cu\u1ed9n c\u1ea3m thu\u1ea7n c\u00f3 gi\u00e1 tr\u1ecb b\u1eb1ng th\u01b0\u01a1ng s\u1ed1 c\u1ee7a \u0111i\u1ec7n \u00e1p hi\u1ec7u d\u1ee5ng gi\u1eefa hai \u0111\u1ea7u m\u1ea1ch v\u00e0 c\u1ea3m kh\u00e1ng c\u1ee7a m\u1ea1ch.<\/p>\n

\n
\n
B\u00e0i 2 (trang 74 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0So s\u00e1nh t\u00e1c d\u1ee5ng c\u1ea3n tr\u1edf d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u th\u1ec3 hi\u1ec7n trong<\/span><\/p>\n
a) Z_{C<\/sub><\/p>\n}
b) Z_{L<\/sub><\/p>\n}
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
$\"\"$ <\/p>\n
N\u1ebfu C v\u00e0 f t\u0103ng th\u00ec Z_{C<\/sub>\u00a0gi\u1ea3m, \u00edt c\u1ea3n tr\u1edf d\u00f2ng \u0111i\u1ec7n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n}
C\u1ea3m kh\u00e1ng Z_{L<\/sub>\u00a0= L\u03c9 = 2\u03c0f.L ; Z_{L<\/sub>\u00a0t\u1ec9 l\u1ec7 v\u1edbi L v\u00e0 f<\/p>\n}}
N\u1ebfu L v\u00e0 f t\u0103ng th\u00ec c\u1ea3n tr\u1edf d\u00f2ng \u0111i\u1ec7n nhi\u1ec1u v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n
B\u00e0i 4 (trang 74 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0\u0110i\u1ec7n \u00e1p gi\u1eefa hai \u0111\u1ea7u c\u1ee7a m\u1ed9t cu\u1ed9n c\u1ea3m thu\u1ea7n: u = 100\u221a2cos100\u03c0t (V), C\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng trong m\u1ea1ch I = 5V.<\/span><\/p>\n
a) x\u00e1c \u0111\u1ecbnh L<\/p>\n
b) Vi\u1ebft bi\u1ec3u th\u1ee9c c\u1ee7a i<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
a) \u0110\u1ecbnh lu\u1eadt \u00d4m trong m\u1ea1ch L<\/p>\n
$\"\"$ <\/p>\n
b) Bi\u1ec3u th\u1ee9c c\u01b0\u1eddng \u0111\u1ed9 trong \u0111o\u1ea1n m\u1ea1ch ch\u1ec9 c\u00f3 L th\u00ec i tr\u1ec5 pha h\u01a1n u m\u1ed9t g\u00f3c \u03c0\/2<\/p>\n
$\"\"$ <\/p>\n
B\u00e0i 5 (trang 74 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0Ch\u1ee9ng minh r\u1eb1ng, khi hai cu\u1ed9n c\u1ea3m thu\u1ea7n L_{1<\/sub>\u00a0v\u00e0 L_{2<\/sub>\u00a0m\u1eafc n\u1ed1i ti\u1ebfp trong m\u1ed9t m\u1ea1ch \u0111i\u1ec7n xoay chi\u1ec1u th\u00ec cu\u1ed9n c\u1ea3m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u00f3 c\u1ea3m kh\u00e1ng cho b\u1edfi: Z_{L<\/sub>\u00a0= (L_{1<\/sub>\u00a0+ L_{2<\/sub>)\u03c9<\/span><\/p>\n}}}}}
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
$\"\"$ <\/p>\n
B\u00e0i 6 (trang 74 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0Ch\u1ee9ng minh r\u1eb1ng, khi hai t\u1ee5 \u0111i\u1ec7n C_{1<\/sub>\u00a0v\u00e0 C_{2<\/sub>\u00a0m\u1eafc n\u1ed1i ti\u1ebfp th\u00ec \u0111i\u1ec7n dung t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u00f3 dung kh\u00e1ng:<\/span><\/p>\n}}
$\"\"$ <\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
$\"\"$ <\/p>\n
B\u00e0i 7 (trang 74 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0M\u1ed9t \u0111o\u1ea1n m\u1ea1ch ch\u1ee9a m\u1ed9t s\u1ed1 t\u1ee5 \u0111i\u1ec7n c\u00f3 \u0111i\u1ec7n dung t\u01b0\u01a1ng \u0111\u01b0\u01a1ng C, \u0111\u1eb7t v\u00e0o hai \u0111\u1ea7u \u0111o\u1ea1n m\u1ea1ch \u0111i\u1ec7n \u00e1p t\u1ee9c th\u1eddi u = U_{m<\/sub>cos\u03c9t (V). C\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng trong m\u1ea1ch l\u00e0 bao nhi\u00eau?<\/span><\/p>\n}
$\"\"$ <\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
Ch\u1ecdn \u0111\u00e1p \u00e1n D.<\/p>\n
$\"\"$ <\/p>\n
B\u00e0i 8 (trang 74 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0\u0110o\u1ea1n m\u1ea1ch ch\u1ee9a m\u1ed9t cu\u1ed9n c\u1ea3m thu\u1ea7n L, \u0111\u1eb7t v\u00e0o hai \u0111\u1ea7u \u0111o\u1ea1n m\u1ea1ch \u0111i\u1ec7n \u00e1p t\u1ee9c th\u1eddi u = U_{m<\/sub>cos\u03c9t(V)th\u00ec c\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng trong m\u1ea1ch l\u00e0 bao nhi\u00eau?<\/span><\/p>\n}
$\"\"$ <\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
Ch\u1ecdn \u0111\u00e1p \u00e1n B.<\/p>\n
$\"\"$ <\/p>\n
B\u00e0i 9 (trang 74 SGK V\u1eadt L\u00fd 12):<\/b>\u00a0\u0110i\u1ec7n \u00e1p u = 200\u221a2cos\u03c9t (V) \u0111\u1eb7t v\u00e0o hai \u0111\u1ea7u m\u1ed9t cu\u1ed9n d\u00e2y c\u1ea3m thu\u1ea7n th\u00ec t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng I = 2A. C\u1ea3m kh\u00e1ng c\u00f3 gi\u00e1 tr\u1ecb l\u00e0 bao nhi\u00eau?<\/span><\/p>\n
A. 100\u03a9<\/p>\n
B. 200 \u03a9<\/p>\n
C. 100\u221a2 \u03a9<\/p>\n
D. 200\u221a2 \u03a9<\/p>\n
L\u1eddi gi\u1ea3i:<\/b><\/p>\n
Ch\u1ecdn \u0111\u00e1p \u00e1n A.<\/p>\n
$\"\"$ <\/p>\n
<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
B\u00e0i 1 (trang 74 SGK V\u1eadt L\u00fd 12):\u00a0Ph\u00e1t bi\u1ec3u \u0111\u1ecbnh lu\u1eadt \u00d4m c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u1ed1i v\u1edbi m\u1ea1ch ch\u1ec9 c\u00f3 a) m\u1ed9t t\u1ee5 \u0111i\u1ec7n b) m\u1ed9t cu\u1ed9n c\u1ea3m thu\u1ea7n L\u1eddi gi\u1ea3i: \u0110\u1ecbnh lu\u1eadt \u00d4m c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ch\u1ec9 c\u00f3 m\u1ed9t t\u1ee5 \u0111i\u1ec7n. C\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng trong m\u1ea1ch ch\u1ee9a t\u1ee5 \u0111i\u1ec7n […]<\/p>\n","protected":false},"author":3,"featured_media":24821,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1303],"tags":[1428,1427],"yoast_head":"\nCh\u01b0\u01a1ng 3 - B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u<\/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:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u01b0\u01a1ng 3 - B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 74 SGK V\u1eadt L\u00fd 12):\u00a0Ph\u00e1t bi\u1ec3u \u0111\u1ecbnh lu\u1eadt \u00d4m c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u1ed1i v\u1edbi m\u1ea1ch ch\u1ec9 c\u00f3 a) m\u1ed9t t\u1ee5 \u0111i\u1ec7n b) m\u1ed9t cu\u1ed9n c\u1ea3m thu\u1ea7n L\u1eddi gi\u1ea3i: \u0110\u1ecbnh lu\u1eadt \u00d4m c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ch\u1ec9 c\u00f3 m\u1ed9t t\u1ee5 \u0111i\u1ec7n. C\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng trong m\u1ea1ch ch\u1ee9a t\u1ee5 \u0111i\u1ec7n […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:published_time\" content=\"2018-03-30T10:26:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/1-610.png\" \/>\n\t<meta property=\"og:image:width\" content=\"228\" \/>\n\t<meta property=\"og:image:height\" content=\"85\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"H\u00e0 Trang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"H\u00e0 Trang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/\",\"url\":\"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/\",\"name\":\"Ch\u01b0\u01a1ng 3 - B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2018-03-30T10:26:59+00:00\",\"dateModified\":\"2018-03-30T10:26:59+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ch\u01b0\u01a1ng 3 – B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lop12.edu.vn\/#website\",\"url\":\"https:\/\/lop12.edu.vn\/\",\"name\":\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/lop12.edu.vn\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\",\"name\":\"H\u00e0 Trang\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"caption\":\"H\u00e0 Trang\"},\"url\":\"https:\/\/lop12.edu.vn\/author\/trangvth2\/\"}]}<\/script>\n","yoast_head_json":{"title":"Ch\u01b0\u01a1ng 3 - B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/","og_locale":"en_US","og_type":"article","og_title":"Ch\u01b0\u01a1ng 3 - B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u","og_description":"B\u00e0i 1 (trang 74 SGK V\u1eadt L\u00fd 12):\u00a0Ph\u00e1t bi\u1ec3u \u0111\u1ecbnh lu\u1eadt \u00d4m c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u1ed1i v\u1edbi m\u1ea1ch ch\u1ec9 c\u00f3 a) m\u1ed9t t\u1ee5 \u0111i\u1ec7n b) m\u1ed9t cu\u1ed9n c\u1ea3m thu\u1ea7n L\u1eddi gi\u1ea3i: \u0110\u1ecbnh lu\u1eadt \u00d4m c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ch\u1ec9 c\u00f3 m\u1ed9t t\u1ee5 \u0111i\u1ec7n. C\u01b0\u1eddng \u0111\u1ed9 hi\u1ec7u d\u1ee5ng trong m\u1ea1ch ch\u1ee9a t\u1ee5 \u0111i\u1ec7n […]","og_url":"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/","og_site_name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam","article_published_time":"2018-03-30T10:26:59+00:00","og_image":[{"width":228,"height":85,"url":"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/03\/1-610.png","type":"image\/png"}],"author":"H\u00e0 Trang","twitter_card":"summary_large_image","twitter_misc":{"Written by":"H\u00e0 Trang","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/","url":"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/","name":"Ch\u01b0\u01a1ng 3 - B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u","isPartOf":{"@id":"https:\/\/lop12.edu.vn\/#website"},"datePublished":"2018-03-30T10:26:59+00:00","dateModified":"2018-03-30T10:26:59+00:00","author":{"@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45"},"breadcrumb":{"@id":"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/lop12.edu.vn\/chuong-3-bai-13-cac-manh-dien-xoay-chieu\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lop12.edu.vn\/"},{"@type":"ListItem","position":2,"name":"Ch\u01b0\u01a1ng 3 – B\u00e0i 13: C\u00e1c m\u1ea1nh \u0111i\u1ec7n xoay chi\u1ec1u"}]},{"@type":"WebSite","@id":"https:\/\/lop12.edu.vn\/#website","url":"https:\/\/lop12.edu.vn\/","name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lop12.edu.vn\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45","name":"H\u00e0 Trang","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g","caption":"H\u00e0 Trang"},"url":"https:\/\/lop12.edu.vn\/author\/trangvth2\/"}]}},"_links":{"self":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/24820"}],"collection":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/comments?post=24820"}],"version-history":[{"count":1,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/24820\/revisions"}],"predecessor-version":[{"id":24832,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/24820\/revisions\/24832"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media\/24821"}],"wp:attachment":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media?parent=24820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/categories?post=24820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/tags?post=24820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}