{"id":11323,"date":"2021-11-23T20:42:23","date_gmt":"2021-11-23T13:42:23","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=11323"},"modified":"2021-11-23T21:13:12","modified_gmt":"2021-11-23T14:13:12","slug":"ta%cc%a3i-sao-toc-bong-den-die%cc%a3n-da%cc%83-bi%cc%a3-dut-nhung-va%cc%83n-co-the%cc%89-gay-nguy-hie%cc%89m","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/ta%cc%a3i-sao-toc-bong-den-die%cc%a3n-da%cc%83-bi%cc%a3-dut-nhung-va%cc%83n-co-the%cc%89-gay-nguy-hie%cc%89m\/","title":{"rendered":"Ta\u0323i sao to\u0301c bo\u0301ng \u0111e\u0300n \u0111i\u00ea\u0323n \u0111a\u0303 bi\u0323 \u0111\u01b0\u0301t nh\u01b0ng v\u00e2\u0303n co\u0301 th\u00ea\u0309 g\u00e2y nguy hi\u00ea\u0309m?"},"content":{"rendered":"\n<p>Chu\u0301ng ta th\u01b0\u01a1\u0300ng th\u00e2\u0301y tr\u00ean ca\u0301c bo\u0301ng \u0111e\u0300n co\u0301 ghi ca\u0301c chi\u0309 s\u00f4\u0301 nh\u01b0 &#8220;220V &#8211; 25W&#8221;, &#8220;220V &#8211; 40W&#8221; ho\u0103\u0323c &#8220;220V &#8211; 60W&#8221;, &#8220;220V&#8221; chi\u0309 \u0111i\u00ea\u0323n a\u0301p ma\u0300 bo\u0301ng \u0111e\u0300n c\u00e2\u0300n khi hoa\u0323t \u0111\u00f4\u0323ng bi\u0300nh th\u01b0\u01a1\u0300ng, t\u01b0\u0301c la\u0300 \u0111i\u00ea\u0323n a\u0301p co\u0301 s\u00f4\u0301 quy \u0111i\u0323nh la\u0300 220 v\u00f4n (V). Co\u0300n ca\u0301c chi\u0309 s\u00f4\u0301: 25W, 40W, 60W thi\u0300 bi\u00ea\u0309u thi\u0323 c\u00f4ng su\u00e2\u0301t \u0111i\u00ea\u0323n ti\u00eau hao khi bo\u0301ng \u0111e\u0300n hoa\u0323t \u0111\u00f4\u0323ng bi\u0300nh th\u01b0\u01a1\u0300ng, t\u01b0\u0301c la\u0300 c\u00f4ng su\u00e2\u0301t \u0111a\u0303 \u0111i\u0323nh l\u00e2\u0300n l\u01b0\u01a1\u0323t la\u0300 25W, 40W, 60W. \u0110\u00f4\u0301i v\u01a1\u0301i n\u01b0\u01a1\u0301c ta, ca\u0301c gia \u0111i\u0300nh th\u01b0\u01a1\u0300ng s\u01b0\u0309 du\u0323ng do\u0300ng \u0111i\u00ea\u0323n 220V. V\u00e2\u0323y ta\u0323i sao ca\u0301c bo\u0301ng \u0111e\u0300n co\u0301 ki\u0301ch c\u01a1\u0303 nh\u01b0 nhau ma\u0300 c\u00f4ng su\u00e2\u0301t ti\u00eau hao cu\u0309a chu\u0301ng la\u0323i kha\u0301c nhau?<\/p>\n\n\n\n<p>\u0110i\u00ea\u0300u na\u0300y co\u0301 li\u00ean quan \u0111\u00ea\u0301n c\u00e2\u0301u ta\u0323o b\u00ean trong cu\u0309a bo\u0301ng \u0111e\u0300n. D\u00e2y to\u0301c (th\u01b0\u01a1\u0300ng \u0111\u01b0\u01a1\u0323c ch\u00ea\u0301 tha\u0300nh t\u01b0\u0300 s\u01a1\u0323i v\u00f4n-ph\u01a1-ram) cu\u0309a m\u00f4\u0303i loa\u0323i bo\u0301ng \u0111e\u0300n co\u0301 tri\u0323 s\u00f4\u0301 tr\u01a1\u0309 l\u01b0\u0323c kha\u0301c nhau. Bo\u0301ng \u0111e\u0300n co\u0301 tri\u0323 s\u00f4\u0301 tr\u01a1\u0309 l\u01b0\u0323c l\u01a1\u0301n se\u0303 sinh nhi\u00ea\u0323t nhi\u00ea\u0300u va\u0300 ti\u00eau hao nhi\u00ea\u0300u \u0111i\u00ea\u0323n n\u0103ng, co\u0300n bo\u0301ng \u0111e\u0300n co\u0301 tri\u0323 s\u00f4\u0301 tr\u01a1\u0309 l\u01b0\u0323c nho\u0309 se\u0303 sinh nhi\u00ea\u0323t i\u0301t va\u0300 ti\u00eau hao i\u0301t \u0111i\u00ea\u0323n n\u0103ng. Ca\u0301c v\u00e2\u0323t th\u00ea\u0309 trong tra\u0323ng tha\u0301i phi ch\u00e2n kh\u00f4ng \u0111\u00ea\u0300u chi\u0323u ta\u0301c \u0111\u00f4\u0323ng cu\u0309a a\u0301p l\u01b0\u0323c kh\u00f4ng khi\u0301, bo\u0301ng \u0111e\u0300n cu\u0303ng v\u00e2\u0323y. \u0110\u00ea\u0309 la\u0300m cho a\u0301p su\u00e2\u0301t b\u00ean trong va\u0300 b\u00ean ngoa\u0300i cu\u0309a bo\u0301ng \u0111e\u0300n nh\u01b0 nhau va\u0300 kh\u00f4ng g\u00e2y n\u00f4\u0309 thi\u0300 pha\u0309i \u0111\u01b0a va\u0300o b\u00ean trong bo\u0301ng \u0111e\u0300n m\u00f4\u0323t l\u01b0\u01a1\u0323ng khi\u0301 nh\u00e2\u0301t \u0111i\u0323nh.<\/p>\n\n\n\n<p>Do th\u01a1\u0300i gian s\u01b0\u0309 du\u0323ng t\u01b0\u01a1ng \u0111\u00f4\u0301i da\u0300i, s\u01a1\u0323i v\u00f4n-ph\u01a1-ram (d\u00e2y to\u0301c bo\u0301ng \u0111e\u0300n) d\u00ea\u0303 bi\u0323 cha\u0301y. Sau khi s\u01a1\u0323i v\u00f4n-ph\u01a1-ram \u0111a\u0303 cha\u0301y, m\u00f4\u0323t s\u00f4\u0301 ng\u01b0\u01a1\u0300i v\u00e2\u0303n lay bo\u0301ng \u0111e\u0300n, la\u0300m cho s\u01a1\u0323i v\u00f4n-ph\u01a1-ram \u01a1\u0309 tra\u0323ng tha\u0301i ti\u00ea\u0301p xu\u0301c gi\u01b0\u0303a hai c\u01b0\u0323c cu\u0309a bo\u0301ng \u0111e\u0300n. Do s\u01a1\u0323i v\u00f4n- ph\u01a1-ram \u01a1\u0309 da\u0323ng lo\u0300 xo, n\u00ean co\u0301 th\u00ea\u0309 ngo\u0103\u0301c va\u0300o nhau. Nh\u01b0ng lu\u0301c na\u0300y \u0111\u00f4\u0323 da\u0300i cu\u0309a s\u01a1\u0323i v\u00f4n-ph\u01a1-ram ng\u0103\u0301n h\u01a1n khi \u01a1\u0309 tra\u0323ng tha\u0301i bi\u0300nh th\u01b0\u01a1\u0300ng, tri\u0323 s\u00f4\u0301 \u0111i\u00ea\u0323n tr\u01a1\u0309 cu\u0309a bo\u0301ng \u0111e\u0300n cu\u0303ng nho\u0309 \u0111i. Trong \u0111i\u00ea\u0300u ki\u00ea\u0323n \u0111i\u00ea\u0323n a\u0301p kh\u00f4ng thay \u0111\u00f4\u0300i, \u0111i\u00ea\u0323n tr\u01a1\u0309 nho\u0309 \u0111i, c\u00f4ng su\u00e2\u0301t cu\u0309a bo\u0301ng \u0111e\u0300n l\u01a1\u0301n, nhi\u00ea\u0323t l\u01b0\u01a1\u0323ng trong bo\u0301ng \u0111e\u0300n t\u0103ng. Theo nguy\u00ean li\u0301 no\u0301ng n\u01a1\u0309 ra, la\u0323nh co la\u0323i, th\u00ea\u0309 ti\u0301ch kh\u00f4ng khi\u0301 trong bo\u0301ng \u0111e\u0300n n\u01a1\u0309 ra kh\u00f4ng co\u0300n phu\u0300 h\u01a1\u0323p v\u01a1\u0301i th\u00ea\u0309 ti\u0301ch cu\u0309a bo\u0301ng \u0111e\u0300n khi ch\u01b0a bi\u0323 cha\u0301y, la\u0300m cho a\u0301p su\u00e2\u0301t trong bo\u0301ng \u0111e\u0300n t\u0103ng. Khi a\u0301p su\u00e2\u0301t t\u0103ng qua\u0301 cao, \u0111\u00ea\u0301n m\u01b0\u0301c bo\u0301ng \u0111e\u0300n thu\u0309y tinh kh\u00f4ng chi\u0323u \u0111\u01b0\u0323ng n\u00f4\u0309i n\u01b0\u0303a, bo\u0301ng \u0111e\u0300n se\u0303 bi\u0323 n\u00f4\u0309, r\u00e2\u0301t nguy hi\u00ea\u0309m. Do v\u00e2\u0323y khi bo\u0301ng \u0111e\u0300n \u0111i\u00ea\u0323n \u0111a\u0303 bi\u0323 cha\u0301y (d\u00e2y to\u0301c bo\u0301ng \u0111e\u0300n bi\u0323 \u0111\u01b0\u0301t), chu\u0301ng ta kh\u00f4ng n\u00ean ti\u00ea\u0301p tu\u0323c du\u0300ng no\u0301 n\u01b0\u0303a.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chu\u0301ng ta th\u01b0\u01a1\u0300ng th\u00e2\u0301y tr\u00ean ca\u0301c bo\u0301ng \u0111e\u0300n co\u0301 ghi ca\u0301c chi\u0309 s\u00f4\u0301 nh\u01b0 &#8220;220V &#8211; 25W&#8221;, &#8220;220V &#8211; 40W&#8221; ho\u0103\u0323c &#8220;220V &#8211; 60W&#8221;, &#8220;220V&#8221; chi\u0309 \u0111i\u00ea\u0323n a\u0301p ma\u0300 bo\u0301ng \u0111e\u0300n c\u00e2\u0300n khi hoa\u0323t \u0111\u00f4\u0323ng bi\u0300nh th\u01b0\u01a1\u0300ng, t\u01b0\u0301c la\u0300 \u0111i\u00ea\u0323n a\u0301p co\u0301 s\u00f4\u0301 quy \u0111i\u0323nh la\u0300 220 v\u00f4n (V). Co\u0300n ca\u0301c chi\u0309 s\u00f4\u0301: 25W, 40W, [&hellip;]<\/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":[1,15],"tags":[],"class_list":["post-11323","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11323","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=11323"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11323\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=11323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=11323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=11323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}