Trong \u0111\u1eddi s\u1ed1ng v\u00e0 s\u1ea3n xu\u1ea5t h\u1eb1ng ng\u00e0y, h\u1ea7u nh\u01b0 \u0111\u00e2u \u0111\u00e2u c\u0169ng kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi v\u1edbi \u0111i\u1ec7n c\u1ea3.<\/p>\n\n\n\n
Nh\u01b0ng khi s\u1eed d\u1ee5ng \u0111i\u1ec7n, n\u1ebfu kh\u00f4ng ch\u00fa \u00fd \u0111\u1ebfn an to\u00e0n d\u00f2ng \u0111i\u1ec7n, c\u01a1 th\u1ec3 ng\u01b0\u1eddi tr\u1ef1c ti\u1ebfp ch\u1ea1m ph\u1ea3i v\u1eadt d\u1eabn c\u00f3 \u0111i\u1ec7n, ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed3 \u0111i\u1ec7n b\u1ecb r\u00f2, th\u01b0\u1eddng s\u1ebd g\u00e2y n\u00ean s\u1ef1 c\u1ed1 b\u1ecb \u0111i\u1ec7n gi\u1eadt. \u0110\u00f3 l\u00e0 v\u00ec c\u01a1 th\u1ec3 ng\u01b0\u1eddi l\u00e0 v\u1eadt d\u1eabn \u0111i\u1ec7n. Khi c\u00f3 d\u00f2ng \u0111i\u1ec7n \u0111i qua ng\u01b0\u1eddi, n\u1ebfu d\u00f2ng \u0111i\u1ec7n \u0111\u1ee7 l\u1edbn th\u00ec s\u1ebd l\u00e0m cho ng\u01b0\u1eddi b\u1ecb \u0111i\u1ec7n gi\u1eadt th\u00e0nh th\u01b0\u01a1ng t\u00edch, th\u1eadm ch\u00ed nguy hi\u1ec3m \u0111\u1ebfn t\u00ednh m\u1ea1ng.<\/p>\n\n\n\n
N\u1ebfu c\u00f3 l\u1eafp thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 r\u00f2 \u0111i\u1ec7n trong \u0111\u01b0\u1eddng d\u00e2y s\u1eed d\u1ee5ng, th\u00ec khi con ng\u01b0\u1eddi v\u00f4 \u00fd ti\u1ebfp x\u00fac v\u1eadt d\u1eabn c\u00f3 \u0111i\u1ec7n, ho\u1eb7c b\u1ea3n th\u00e2n \u0111\u1ed3 \u0111i\u1ec7n gia d\u1ee5ng b\u1ecb r\u00f2 \u0111i\u1ec7n, c\u00e1i b\u1ea3o h\u1ed9 r\u00f2 \u0111i\u1ec7n s\u1ebd l\u1eadp t\u1ee9c t\u1ef1 \u0111\u1ed9ng c\u1eaft r\u1eddi ngu\u1ed3n \u0111i\u1ec7n, b\u1ea3o \u0111\u1ea3m an to\u00e0n cho c\u01a1 th\u1ec3 ng\u01b0\u1eddi.<\/p>\n\n\n\n
Mu\u1ed1n l\u00e0m r\u00f5 \u0111\u01b0\u1ee3c nguy\u00ean l\u00ed ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1i b\u1ea3o h\u1ed9 r\u00f2 \u0111i\u1ec7n, ch\u00fang ta h\u00e3y xem m\u1ed9t v\u00ed d\u1ee5 tr\u01b0\u1edbc \u0111\u00e3. Gi\u1ea3 d\u1ee5 c\u00f3 m\u1ed9t \u0111\u01b0\u1eddng qu\u1ed1c l\u1ed9 n\u1ed1i li\u1ec1n hai \u0111\u1ecba \u0111i\u1ec3m A v\u00e0 B, trong m\u1ed7i gi\u1edd \u0111\u1ec1u c\u00f3 100 chi\u1ebfc \u00f4 t\u00f4 ch\u1ea1y t\u1eeb A \u0111\u1ebfn B, r\u1ed3i l\u1ea1i t\u1eeb B tr\u1edf v\u1ec1 A. Tr\u1ea1m qu\u1ea3n l\u00ed qu\u1ed1c l\u1ed9 m\u1ed7i gi\u1edd ki\u1ec3m tra m\u1ed9t l\u1ea7n, n\u1ebfu ph\u00e1t hi\u1ec7n trong m\u1ed9t gi\u1edd n\u00e0o \u0111\u00f3, s\u1ed1 \u00f4 t\u00f4 quay v\u1ec1 A kh\u00f4ng b\u1eb1ng s\u1ed1 \u00f4 t\u00f4 xu\u1ea5t ph\u00e1t t\u1eeb A th\u00ec ch\u1ee9ng t\u1ecf c\u00f3 s\u1ef1 c\u1ed1 x\u1ea3y ra tr\u00ean \u0111\u01b0\u1eddng.<\/p>\n\n\n\n
C\u00e1i b\u1ea3o h\u1ed9 r\u00f2 \u0111i\u1ec7n c\u00f3 th\u1ec3 v\u00ed v\u1edbi tr\u1ea1m qu\u1ea3n l\u00ed qu\u1ed1c l\u1ed9. Hai s\u1ee3i d\u00e2y d\u1eabn c\u1ee7a n\u00f3 n\u1ed1i v\u1edbi ngu\u1ed3n \u0111i\u1ec7n coi nh\u01b0 qu\u1ed1c l\u1ed9 n\u1ed1i A v\u1edbi B. Khi d\u00f9ng \u0111i\u1ec7n b\u00ecnh th\u01b0\u1eddng, d\u00f2ng \u0111i\u1ec7n t\u1eeb m\u1ed9t s\u1ee3i d\u00e2y d\u1eabn v\u00e0o, \u0111i qua \u0111\u1ed3 d\u00f9ng \u0111i\u1ec7n, r\u1ed3i l\u1ea1i t\u1eeb s\u1ee3i d\u00e2y d\u1eabn kia \u0111i ra. N\u1ebfu tr\u00ean to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng \u0111i\u1ec7n kh\u00f4ng c\u00f3 tr\u1ee5c tr\u1eb7c g\u00ec, d\u00f2ng \u0111i\u1ec7n \u0111i ra ph\u1ea3i ho\u00e0n to\u00e0n b\u1eb1ng d\u00f2ng \u0111i\u1ec7n \u0111i v\u00e0o. D\u00f2ng \u0111i\u1ec7n tr\u00ean hai s\u1ee3i d\u00e2y d\u1eabn ch\u1ec9 c\u1ea7n ch\u00eanh nhau 8 ~ 10 mA, th\u00ec trong m\u1ed9t nh\u00f3m cu\u1ed9n d\u00e2y c\u1ea3m \u1ee9ng trong c\u00e1i b\u1ea3o h\u1ed9 r\u00f2 \u0111i\u1ec7n l\u1eadp t\u1ee9c c\u1ea3m \u1ee9ng ra \u0111i\u1ec7n \u00e1p r\u00f2 \u0111i\u1ec7n. \u0110i\u1ec7n \u00e1p r\u00f2 \u0111i\u1ec7n n\u00e0y \u0111\u01b0\u1ee3c khu\u1ebfch \u0111\u1ea1i th\u00f4ng qua m\u1ea1ch \u0111i\u1ec7n \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n t\u1eed trong c\u00e1i b\u1ea3o h\u1ed9 r\u00f2 \u0111i\u1ec7n, th\u00fac \u0111\u1ea9y c\u00f4ng t\u1eafc r\u01a1le \u0111i\u1ec7n c\u1eaft \u0111\u1ee9t d\u00f2ng \u0111i\u1ec7n \u0111i v\u00e0o c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n. To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh t\u1eeb khi xu\u1ea5t hi\u1ec7n s\u1ef1 ch\u00eanh l\u1ec7ch d\u00f2ng \u0111i\u1ec7n tr\u00ean hai s\u1ee3i d\u00e2y d\u1eabn \u0111\u1ebfn khi c\u00f4ng t\u1eafc r\u01a1le \u0111i\u1ec7n c\u1eaft ngu\u1ed3n \u0111i\u1ec7n ch\u1ec9 c\u1ea7n th\u1eddi gian 0,1 gi\u00e2y, h\u01a1n n\u1eefa, d\u00f2ng \u0111i\u1ec7n r\u00f2 c\u00e0ng l\u1edbn, th\u1eddi gian kh\u1edfi \u0111\u1ed9ng c\u00f4ng t\u1eafc r\u01a1le \u0111i\u1ec7n c\u00e0ng ng\u1eafn. Ch\u00ednh v\u00ec th\u1eddi gian c\u1eaft ngu\u1ed3n \u0111i\u1ec7nh\u1ebft s\u1ee9c nhanh n\u00ean m\u1edbi c\u00f3 t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 ng\u01b0\u1eddi b\u1ecb \u0111i\u1ec7n gi\u1eadt kh\u1ecfi b\u1ecb \u0111i\u1ec7n \u00e1p cao, d\u00f2ng \u0111i\u1ec7n m\u1ea1nh g\u00e2y n\u00ean th\u01b0\u01a1ng t\u00edch, v\u00e0 tr\u00e1nh cho \u0111\u1ed3 d\u00f9ng \u0111i\u1ec7n kh\u00f4ng b\u1ecb r\u00f2 \u0111i\u1ec7n ch\u1eadp m\u1ea1ch trong th\u1eddi gian d\u00e0i m\u00e0 d\u1eabn t\u1edbi s\u1ef1 c\u1ed1 ch\u00e1y h\u1ecfng. Cho n\u00ean, t\u1eeb \u00fd ngh\u0129a \u0111\u00f3 m\u00e0 x\u00e9t, c\u00e1i b\u1ea3o h\u1ed9 r\u00f2 \u0111i\u1ec7n l\u00e0 “th\u1ea7n h\u1ed9 m\u1ec7nh” c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111i\u1ec7n v\u00e0 \u0111\u1ed3 \u0111i\u1ec7n. V\u00ec s\u1ef1 an to\u00e0n c\u1ee7a ng\u01b0\u1eddi v\u00e0 t\u00e0i s\u1ea3n, c\u1ea7n ph\u1ea3i c\u1ed1 g\u1eafng l\u1eafp c\u00e1i b\u1ea3o h\u1ed9 r\u00f2 \u0111i\u1ec7n v\u00e0o \u0111\u01b0\u1eddng d\u00e2y c\u1ee7a \u0111\u1ed3 d\u00f9ng \u0111i\u1ec7n v\u00e0 c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a: R\u00f2 \u0111i\u1ec7n; C\u00e1i b\u1ea3o h\u1ed9 r\u00f2 \u0111i\u1ec7n; R\u01a1le \u0111i\u1ec7n.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Trong \u0111\u1eddi s\u1ed1ng v\u00e0 s\u1ea3n xu\u1ea5t h\u1eb1ng ng\u00e0y, h\u1ea7u nh\u01b0 \u0111\u00e2u \u0111\u00e2u c\u0169ng kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi v\u1edbi \u0111i\u1ec7n c\u1ea3. Nh\u01b0ng khi s\u1eed d\u1ee5ng \u0111i\u1ec7n, n\u1ebfu kh\u00f4ng ch\u00fa \u00fd \u0111\u1ebfn an to\u00e0n d\u00f2ng \u0111i\u1ec7n, c\u01a1 th\u1ec3 ng\u01b0\u1eddi tr\u1ef1c ti\u1ebfp ch\u1ea1m ph\u1ea3i v\u1eadt d\u1eabn c\u00f3 \u0111i\u1ec7n, ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed3 \u0111i\u1ec7n b\u1ecb r\u00f2, th\u01b0\u1eddng s\u1ebd […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,7],"tags":[],"class_list":["post-5914","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5914","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=5914"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5914\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}