{"id":2362,"date":"2020-09-24T09:37:39","date_gmt":"2020-09-24T02:37:39","guid":{"rendered":"https:\/\/explorascience.vn\/?p=2362"},"modified":"2020-09-24T09:37:39","modified_gmt":"2020-09-24T02:37:39","slug":"mo-hinh-tesla-coil-va-nhung-hieu-biet-ve-sam-set","status":"publish","type":"post","link":"https:\/\/explorascience.vn\/?p=2362","title":{"rendered":"M\u00d4 H\u00ccNH TESLA COIL V\u00c0 NH\u1eeeNG HI\u1ec2U BI\u1ebeT V\u1ec0 S\u1ea4M S\u00c9T"},"content":{"rendered":"

M\u1ed7i n\u0103m, Vi\u1ec7t Nam ph\u1ea3i h\u1ee9ng ch\u1ecbu m\u00f9a m\u01b0a b\u00e3o k\u00e9o d\u00e0i t\u1eeb th\u00e1ng 5 \u0111\u1ebfn th\u00e1ng 12. V\u1edbi th\u1eddi gian m\u01b0a b\u00e3o d\u00e0i n\u00ean Vi\u1ec7t Nam l\u00e0 n\u01b0\u1edbc c\u00f3 t\u1ef7 l\u1ec7 xu\u1ea5t hi\u1ec7n s\u00e9t cao \u1edf Ch\u00e2u \u00c1. Nh\u1ea5t l\u00e0 trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, tr\u01b0\u1edbc s\u1ef1 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, d\u00f4ng s\u00e9t ng\u00e0y c\u00e0ng nhi\u1ec1u h\u01a1n. Tuy nhi\u00ean nh\u1eefng hi\u1ec3u bi\u1ebft v\u00e0 c\u00f4ng t\u00e1c ph\u00f2ng ch\u1ed1ng s\u00e9t c\u00f2n r\u1ea5t ch\u1ee7 quan, h\u1ea1n ch\u1ebf.<\/strong><\/em><\/p>\n

Trung t\u00e2m Kh\u00e1m ph\u00e1 khoa h\u1ecdc \u0111\u00e3 ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng 2 m\u00f4 h\u00ecnh Tesla coil c\u00f3 th\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n v\u1edbi \u0111i\u1ec7n \u00e1p kh\u1ed5ng l\u1ed3 l\u00ean \u0111\u1ebfn 2 tri\u1ec7u V\u00f4n. B\u1ea1n h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng r\u1eb1ng hi\u1ec7u \u0111i\u1ec7n th\u1ebf c\u1ee7a d\u00f2ng \u0111i\u1ec7n ch\u00fang ta s\u1eed d\u1ee5ng \u1edf nh\u00e0 ch\u1ec9 n\u1eb1m trong kho\u1ea3ng t\u1eeb 220 \u0111\u1ebfn 240 V\u00f4n.<\/p>\n

Nikola Tesla ch\u00ednh l\u00e0 ng\u01b0\u1eddi \u0111\u00e3 ph\u00e1t minh ra m\u00f4 h\u00ecnh m\u00e1y bi\u1ebfn \u00e1p c\u1ed9ng h\u01b0\u1edfng n\u00e0y. \u00d4ng \u0111\u00e3 ph\u00e1t minh ra n\u00f3 v\u00e0o n\u0103m 1891. D\u00f9 ng\u00e0y nay, \u00f4ng \u0111\u00e3 tr\u1edf th\u00e0nh 1 nh\u00e0 ph\u00e1t minh t\u00e0i ba nh\u01b0ng trong giai \u0111o\u1ea1n \u0111\u00f3 v\u1eabn c\u00f3 nh\u1eefng ph\u00e1t minh kh\u00e1c c\u00f3 t\u00ednh thuy\u1ebft ph\u1ee5c cao nh\u01b0 c\u1ee7a Thomas Edison. Nh\u1eefng ph\u00e1t minh c\u1ee7a h\u1ecd \u0111\u00e3 c\u1ea1nh tranh v\u1edbi nhau, nh\u01b0ng s\u1ef1 h\u1eefu \u00edch c\u1ee7a nh\u1eefng ph\u00e1t minh m\u00e0 Nikolas \u0111\u00e3 th\u1ef1c s\u1ef1 mang l\u1ea1i cho ch\u00fang ta l\u00e0 \u0111i\u1ec1u m\u00e0 kh\u00f4ng ai c\u00f3 th\u1ec3 ch\u1ed1i c\u00e3i. V\u00ed d\u1ee5: Radio s\u00f3ng ng\u1eafn, d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u m\u00e0 ch\u00fang ta \u0111ang s\u1eed d\u1ee5ng ng\u00e0y nay.<\/p>\n

\"\"

M\u00f4 h\u00ecnh Tesla Coil<\/p><\/div>\n

M\u00f4 h\u00ecnh Tesla Coil t\u1ea1i Trung t\u00e2m Kh\u00e1m ph\u00e1 khoa h\u1ecdc nh\u01b0 m\u1ed9t m\u00e1y ph\u00e1t \u0111i\u1ec7n t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n c\u00f3 \u0111i\u1ec7n \u00e1p r\u1ea5t cao (t\u1eeb 50kV l\u00ean \u0111\u1ebfn v\u00e0i tri\u1ec7u V\u00f4n) v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng di\u1ec7n th\u1ea5p v\u00e0 t\u1ea7n s\u1ed1 cao \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i d\u01b0\u1edbi h\u00ecnh th\u1ee9c tia s\u00e9t. L\u00fac n\u00e0y, \u0111i\u1ec7n \u00e1p cao s\u1ebd ion ho\u00e1 kh\u00f4ng kh\u00ed \u1edf g\u1ea7n \u0111i\u1ec7n c\u1ef1c l\u00e0m cho v\u00f9ng kh\u00f4ng kh\u00ed n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n v\u00e0 h\u00ecnh th\u00e0nh c\u00e1c tia l\u1eeda \u0111i\u1ec7n, tr\u1ea1ng th\u00e1i th\u1ee9 4 c\u1ee7a v\u1eadt ch\u1ea5t m\u00e0 ch\u00fang ta g\u1ecdi l\u00e0 plasma. K\u00e8m theo tia s\u00e9t l\u00e0 ti\u1ebfng \u1ed3n l\u00e0m rung m\u00e0ng nh\u0129 v\u1edbi t\u1ea7n s\u1ed1 2000 Hz hay c\u00f2n g\u1ecdi l\u00e0 s\u1ea5m. Hi\u1ec7n t\u01b0\u1ee3ng s\u1ea5m s\u00e9t trong t\u1ef1 nhi\u00ean c\u0169ng \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh v\u1edbi c\u01a1 ch\u1ebf t\u01b0\u01a1ng t\u1ef1.<\/p>\n

S\u00e9t th\u01b0\u1eddng \u0111\u00e1nh v\u00e0o \u0111\u00e2u?<\/strong><\/p>\n

\u1ede nh\u1eefng n\u01a1i r\u1ed9ng r\u00e3i, tr\u1ed1ng tr\u1ea3i nh\u01b0 c\u00e1nh \u0111\u1ed3ng, s\u00e2n golf, hay b\u00e3i \u0111\u1ed7 xe… r\u1ea5t d\u1ec5 b\u1ecb s\u00e9t \u0111\u00e1nh v\u00ec ng\u01b0\u1eddi tr\u1edf th\u00e0nh n\u01a1i cao nh\u1ea5t khu v\u1ef1c \u0111\u00f3. \u0110\u1eb7c bi\u1ec7t nguy hi\u1ec3m khi \u0111\u1ee9ng \u1edf nh\u1eefng m\u00f4, \u1ee5 \u0111\u1ea5t cao, d\u01b0\u1edbi g\u1ed1c c\u00e2y to, n\u1ebfu c\u1ea7m c\u00e1c v\u1eadt d\u1ee5ng c\u00f3 s\u1eaft nh\u01b0 \u00f4, cu\u1ed1c, li\u1ec1m… hay \u0111\u1ee9ng g\u1ea7n c\u00e1c v\u1eadt kim lo\u1ea1i nh\u01b0 \u00f4t\u00f4, xe \u0111\u1ea1p, xe m\u00e1y, h\u00e0ng r\u00e0o s\u1eaft nguy c\u01a1 c\u00e0ng cao. \u0110\u1ee9ng g\u1ea7n \u1ee5, b\u1ed1t, tr\u1ea1m bi\u1ebfn th\u1ebf \u0111i\u1ec7n, d\u01b0\u1edbi \u0111\u01b0\u1eddng \u0111i\u1ec7n cao th\u1ebf, h\u1ea1 th\u1ebf c\u0169ng thu\u1ed9c nguy c\u01a1 nh\u00f3m \u0111\u1ea7u b\u1ecb s\u00e9t \u0111\u00e1nh. \u1ede d\u01b0\u1edbi s\u00f4ng, su\u1ed1i, hay b\u1ec3 b\u01a1i; t\u1eafm trong nh\u00e0 \u0111ang c\u00f3 s\u1ea5m ch\u1edbp; xem tivi, s\u1eed d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i c\u00f3 d\u00e2y, \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng \u0111ang s\u1ea1c pin hay d\u01b0\u1edbi tr\u1eddi m\u01b0a thu\u1ed9c h\u00e0ng nguy c\u01a1 th\u1ee9 hai. \u0110\u1ee9ng g\u1ea7n c\u1eeda s\u1ed5, c\u1eeda ra v\u00e0o hay n\u1eb1m tr\u00ean s\u00e0n nh\u00e0 (ti\u1ebfp \u0111\u1ea5t) c\u0169ng b\u1ecb s\u00e9t \u0111\u00e1nh, tuy \u00edt.<\/p>\n

V\u1eady ch\u00fang ta n\u00ean l\u00e0m g\u00ec? <\/strong><\/p>\n

\"\"

B\u00ean c\u1ea1nh Tesla Coil, Trung t\u00e2m \u0111\u00e3 ch\u1ebf t\u1ea1o th\u00eam l\u1ed3ng Faraday l\u00e0 m\u1ed9t v\u1eadt d\u1eabn r\u1ed7ng, b\u00ean trong \u0111\u00f3 \u0111i\u1ec7n tr\u01b0\u1eddng t\u1ea1i m\u1ecdi \u0111i\u1ec3m \u0111\u1ec1u b\u1eb1ng 0. Khi \u0111\u1eb7t l\u1ed3ng Faraday l\u1ea1i g\u1ea7n c\u1ed9t ph\u00f3ng \u0111i\u1ec7n l\u1ed3ng Faraday nh\u01b0 m\u1ed9t \u201cm\u00e0n ch\u1eafn \u0111i\u1ec7n\u201d ng\u01b0\u1eddi \u1edf trong l\u1ed3ng Faraday s\u1ebd kh\u00f4ng ch\u1ecbu b\u1ea5t c\u1ee9 l\u1ef1c \u0111i\u1ec7n n\u00e0o do b\u00ean ngo\u00e0i t\u00e1c \u0111\u1ed9ng. B\u1edfi v\u1eady m\u00e0 Faraday c\u00f3 th\u1ec3 tho\u1ea3i m\u00e1i \u0111\u1ee9ng trong l\u1ed3ng m\u00e0 kh\u00f4ng b\u1ecb \u0111i\u1ec7n gi\u1eadt.<\/p><\/div>\n

V\u1eady n\u00ean b\u1ea1n c\u1ea7n ph\u1ea3i t\u00ecm m\u1ed9t c\u00e1i g\u00ec \u0111\u00f3 b\u1eb1ng kim lo\u1ea1i v\u00e0 n\u00f3 \u0111\u1ee7 l\u1edbn \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 \u0111i v\u00e0o b\u00ean trong. V\u00ed d\u1ee5, m\u1ed9t l\u1ed3ng kim lo\u1ea1i, l\u1ed3ng Faraday ho\u1eb7c b\u1ea5t k\u1ef3 ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng n\u00e0o. \u0110\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ng\u00f4i nh\u00e0, m\u1ed9t chi\u1ebfc xe \u00f4 t\u00f4 hay m\u1ed9t chi\u1ebfc xe bu\u00fdt v\u1edbi v\u1ecf b\u1ecdc kim lo\u1ea1i nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 xe, v\u1ecf b\u1ecdc l\u1ea1i \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng nh\u1ef1a ho\u1eb7c h\u1ee3p ch\u1ea5t kh\u00e1c. Nh\u01b0 v\u1eady, ngo\u1ea1i tr\u1eeb c\u00e1c xe c\u00f3 l\u1edbp v\u1ecf b\u1ecdc b\u1eb1ng nh\u1ef1a, b\u1ea5t k\u1ef3 nh\u1eefng chi\u1ebfc xe n\u00e0o c\u00f3 v\u1ecf b\u1ecdc b\u1eb1ng kim lo\u1ea1i s\u1ebd \u0111\u1ec1u c\u00f3 th\u1ec3 che ch\u1edf v\u00e0 b\u1ea3o v\u1ec7 ch\u00fang ta kh\u1ecfi s\u00e9t. \u0110\u1ec3 tr\u00e1nh h\u1eadu qu\u1ea3 do s\u00e9t g\u00e2y ra b\u1ea1n c\u1ea7n tr\u00e1nh \u1edf nh\u01b0ng n\u01a1i s\u00e9t th\u01b0\u1eddng \u0111\u00e1nh v\u00e0 nh\u1eefng h\u00e0nh \u0111\u1ed9ng g\u00e2y nguy hi\u1ec3m \u0111\u00e3 k\u1ec3 tr\u00ean.<\/p>\n

– M\u1ef9 Ho\u00e0ng –<\/p>\n","protected":false},"excerpt":{"rendered":"

M\u1ed7i n\u0103m, Vi\u1ec7t Nam ph\u1ea3i h\u1ee9ng ch\u1ecbu m\u00f9a m\u01b0a b\u00e3o k\u00e9o d\u00e0i t\u1eeb th\u00e1ng 5 \u0111\u1ebfn th\u00e1ng 12. V\u1edbi th\u1eddi gian m\u01b0a b\u00e3o d\u00e0i n\u00ean Vi\u1ec7t Nam l\u00e0 n\u01b0\u1edbc c\u00f3…<\/p>\n","protected":false},"author":1,"featured_media":2363,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[18,12],"tags":[],"class_list":["post-2362","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tham-quan-trai-nghiem","category-tin-tuc-su-kien"],"lang":"vn","translations":{"vn":2362},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/explorascience.vn\/index.php?rest_route=\/wp\/v2\/posts\/2362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/explorascience.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/explorascience.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/explorascience.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/explorascience.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2362"}],"version-history":[{"count":0,"href":"https:\/\/explorascience.vn\/index.php?rest_route=\/wp\/v2\/posts\/2362\/revisions"}],"wp:attachment":[{"href":"https:\/\/explorascience.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/explorascience.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/explorascience.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}