{"id":4076,"date":"2024-02-19T21:22:49","date_gmt":"2024-02-19T13:22:49","guid":{"rendered":"https:\/\/chimaytech.net\/?p=4076"},"modified":"2024-02-19T22:18:02","modified_gmt":"2024-02-19T14:18:02","slug":"what-is-the-resistivity-in-ohm-meters-of-the","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/what-is-the-resistivity-in-ohm-meters-of-the\/","title":{"rendered":"\u0111i\u1ec7n tr\u1edf su\u1ea5t t\u00ednh b\u1eb1ng ohm c\u1ee7a d\u00e2y l\u00e0 bao nhi\u00eau"},"content":{"rendered":"

\u0110i\u1ec7n tr\u1edf th\u1ea5p, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n cao – \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a d\u00e2y t\u00ednh b\u1eb1ng ohm m\u00e9t.<\/p>\n

T\u00ecm hi\u1ec3u \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a d\u00e2y t\u00ednh b\u1eb1ng Ohm<\/h1>\n

Khi t\u00ecm hi\u1ec3u \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a d\u00e2y t\u00ednh b\u1eb1ng ohm m\u00e9t, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u r\u00f5 \u0111i\u1ec7n tr\u1edf su\u1ea5t l\u00e0 g\u00ec v\u00e0 c\u00e1ch \u0111o n\u00f3. \u0110i\u1ec7n tr\u1edf su\u1ea5t l\u00e0 m\u1ed9t t\u00ednh ch\u1ea5t c\u01a1 b\u1ea3n c\u1ee7a v\u1eadt li\u1ec7u quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 ch\u1ed1ng l\u1ea1i d\u00f2ng \u0111i\u1ec7n c\u1ee7a n\u00f3. Trong tr\u01b0\u1eddng h\u1ee3p d\u00e2y d\u1eabn, \u0111i\u1ec7n tr\u1edf su\u1ea5t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ea1ch \u0111i\u1ec7n.\u0110i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng ohm m\u00e9t, l\u00e0 \u0111\u01a1n v\u1ecb \u0111o \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111i\u1ec7n tr\u1edf c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1ed1i v\u1edbi d\u00f2ng ch\u1ea3y c\u1ee7a d\u00f2ng \u0111i\u1ec7n. \u0110i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau, bao g\u1ed3m th\u00e0nh ph\u1ea7n, nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u1ea5u tr\u00fac v\u1eadt l\u00fd c\u1ee7a v\u1eadt li\u1ec7u. Trong tr\u01b0\u1eddng h\u1ee3p d\u00e2y d\u1eabn, \u0111i\u1ec7n tr\u1edf su\u1ea5t l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n hi\u1ec7u qu\u1ea3 c\u1ee7a d\u00e2y.Khi \u0111o \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a d\u00e2y t\u00ednh b\u1eb1ng ohm m\u00e9t, c\u00f3 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t l\u00e0 th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u c\u1ee7a d\u00e2y. C\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t kh\u00e1c nhau, trong \u0111\u00f3 m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u c\u00f3 t\u00ednh d\u1eabn \u0111i\u1ec7n cao h\u01a1n c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c. V\u00ed d\u1ee5, \u0111\u1ed3ng l\u00e0 v\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n cao c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ea5p, trong khi c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 cao su c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t cao h\u01a1n nhi\u1ec1u.M\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng kh\u00e1c c\u1ea7n xem x\u00e9t khi \u0111o \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a d\u00e2y l\u00e0 c\u1ea5u tr\u00fac v\u1eadt l\u00fd c\u1ee7a d\u00e2y. Chi\u1ec1u d\u00e0i v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a d\u00e2y c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a n\u00f3. D\u00e2y d\u00e0i h\u01a1n c\u00f3 xu h\u01b0\u1edbng c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t cao h\u01a1n, v\u00ec c\u00e1c electron ph\u1ea3i di chuy\u1ec3n m\u1ed9t kho\u1ea3ng c\u00e1ch l\u1edbn h\u01a1n, g\u1eb7p nhi\u1ec1u \u0111i\u1ec7n tr\u1edf h\u01a1n tr\u00ean \u0111\u01b0\u1eddng \u0111i. M\u1eb7t kh\u00e1c, d\u00e2y d\u00e0y h\u01a1n c\u00f3 xu h\u01b0\u1edbng c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ea5p h\u01a1n v\u00ec c\u00f3 nhi\u1ec1u kh\u00f4ng gian h\u01a1n cho c\u00e1c electron chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 do.\"alt-136\"Nhi\u1ec7t \u0111\u1ed9 c\u0169ng l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng khi \u0111o \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a d\u00e2y t\u00ednh b\u1eb1ng ohm m\u00e9t. N\u00f3i chung, \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u t\u0103ng theo nhi\u1ec7t \u0111\u1ed9, khi c\u00e1c nguy\u00ean t\u1eed trong v\u1eadt li\u1ec7u dao \u0111\u1ed9ng m\u1ea1nh h\u01a1n, c\u1ea3n tr\u1edf d\u00f2ng \u0111i\u1ec7n t\u1eed. \u0110\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a \u0111i\u1ec7n tr\u1edf su\u1ea5t v\u00e0 l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng c\u1ea7n c\u00e2n nh\u1eafc khi thi\u1ebft k\u1ebf c\u00e1c m\u1ea1ch \u0111i\u1ec7n ti\u1ebfp x\u00fac v\u1edbi c\u00e1c nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau.\u0110\u1ec3 \u0111o \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a d\u00e2y t\u00ednh b\u1eb1ng ohm m\u00e9t, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u k\u1ef9 thu\u1eadt kh\u00e1c nhau. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn l\u00e0 s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng, \u0111\u00e2y l\u00e0 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111o \u0111i\u1ec7n tr\u1edf c\u1ee7a v\u1eadt li\u1ec7u b\u1eb1ng c\u00e1ch cho m\u1ed9t d\u00f2ng \u0111i\u1ec7n nh\u1ecf ch\u1ea1y qua n\u00f3. B\u1eb1ng c\u00e1ch \u0111o \u0111i\u1ec7n \u00e1p r\u01a1i tr\u00ean d\u00e2y v\u00e0 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua n\u00f3, \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a d\u00e2y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng \u0110\u1ecbnh lu\u1eadt Ohm.Nh\u00ecn chung, vi\u1ec7c hi\u1ec3u \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a d\u00e2y t\u00ednh b\u1eb1ng ohm l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 thi\u1ebft k\u1ebf v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c m\u1ea1ch \u0111i\u1ec7n hi\u1ec7u qu\u1ea3. B\u1eb1ng c\u00e1ch xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u, c\u1ea5u tr\u00fac v\u1eadt l\u00fd v\u00e0 nhi\u1ec7t \u0111\u1ed9, c\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ea1ch c\u1ee7a h\u1ecd c\u00f3 th\u1ec3 d\u1eabn \u0111i\u1ec7n hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u00e1ng tin c\u1eady. B\u1eb1ng c\u00e1ch \u0111o ch\u00ednh x\u00e1c \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a d\u00e2y, c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u00fang ho\u1ea1t \u0111\u1ed9ng an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u0110i\u1ec7n tr\u1edf th\u1ea5p, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n cao – \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a d\u00e2y t\u00ednh b\u1eb1ng ohm m\u00e9t. T\u00ecm hi\u1ec3u \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a d\u00e2y t\u00ednh b\u1eb1ng Ohm Khi t\u00ecm hi\u1ec3u \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a d\u00e2y t\u00ednh b\u1eb1ng ohm m\u00e9t, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u r\u00f5 \u0111i\u1ec7n tr\u1edf su\u1ea5t l\u00e0 g\u00ec v\u00e0 c\u00e1ch \u0111o n\u00f3….<\/p>\n","protected":false},"author":1,"featured_media":1004,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[1],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/4076"}],"collection":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/comments?post=4076"}],"version-history":[{"count":0,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/4076\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/1004"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=4076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=4076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=4076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}