{"id":1793,"date":"2023-08-26T06:21:44","date_gmt":"2023-08-26T06:21:44","guid":{"rendered":"https:\/\/vinamagnet.vn\/?p=1793"},"modified":"2023-08-26T06:22:14","modified_gmt":"2023-08-26T06:22:14","slug":"nhung-cau-hoi-thac-mac-thuong-gap-ve-nam-cham","status":"publish","type":"post","link":"https:\/\/vinamagnet.vn\/?p=1793","title":{"rendered":"Nh\u1eefng c\u00e2u h\u1ecfi th\u1eafc m\u1eafc th\u01b0\u1eddng g\u1eb7p v\u1ec1 nam ch\u00e2m"},"content":{"rendered":"

C\u1ee5c nam ch\u00e2m n\u00e0o c\u0169ng s\u1ebd c\u00f3 2 m\u1eb7t v\u00e0 2 \u0111\u1ea7u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u1ef1c b\u1eafc v\u00e0 c\u1ef1c nam. S\u1edf d\u0129 ph\u1ea3i ph\u00e2n bi\u1ec7t nh\u01b0 v\u1eady v\u00ec, n\u1ebfu nh\u01b0 b\u1ea1n treo m\u1ed9t c\u1ee5c nam ch\u00e2m tr\u00ean m\u1ed9t s\u1ee3i d\u00e2y th\u00ec c\u1ef1c nam c\u1ee7a n\u00f3 s\u1ebd h\u01b0\u1edbng v\u1ec1 ph\u01b0\u01a1ng b\u1eafc. C\u00f3 hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3 x\u1ea3y ra l\u00e0 do l\u00f5i Tr\u00e1i \u0110\u1ea5t \u0111ang l\u00e0 m\u1ed9t kh\u1ed1i nam ch\u00e2m l\u1edbn v\u00e0 y\u1ebfu. \u00a0C\u1ee5c nam ch\u00e2m c\u1ee7a b\u1ea1n s\u1ebd b\u1ecb l\u00f5i c\u1ee7a Tr\u00e1i \u0110\u1ea5t h\u00fat n\u00ean n\u00f3 s\u1ebd ch\u1ec9 v\u1ec1 ph\u01b0\u01a1ng B\u1eafc. Sau \u0111\u00e2y, h\u00e3y c\u00f9ng VINA MAGNET tr\u1ea3 l\u1eddi nh\u1eefng c\u00e2u h\u1ecfi th\u1eafc m\u1eafc th\u01b0\u1eddng g\u1eb7p v\u1ec1 nam ch\u00e2m<\/a>\u00a0m\u00e0 c\u00e1c b\u1ea1n n\u00ean bi\u1ebft qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/strong><\/em><\/p>\n

1. T\u1ea1i sao nam ch\u00e2m l\u1ea1i d\u00ednh v\u00e0o nhau?<\/strong><\/h2>\n

Khi b\u1ea1n gi\u1eef 2 c\u1ef1c nam ch\u00e2m quay nh\u1ea7m h\u01b0\u1edbng v\u00e0o nhau th\u00ec c\u0169ng s\u1ebd \u0111\u1ea9y nhau, n\u00f3i c\u00e1ch kh\u00e1c th\u00ec n\u1ebfu nh\u01b0 b\u1ea1n gi\u1eef 2 c\u1ee5c nam ch\u00e2m quay v\u00e0o c\u1ef1c Nam ho\u1eb7c c\u00f9ng c\u1ef1c B\u1eafc v\u00e0o nhau th\u00ec ch\u00fang s\u1ebd \u0111\u1ea9y nhau ra. B\u1ea1n h\u00e3y th\u1eed xem nh\u00e9, c\u1ea3m th\u1ea5y nh\u01b0 2 c\u1ee5c nam ch\u00e2m \u0111\u01b0\u1ee3c b\u1ecdc b\u1eb1ng l\u1edbp \u0111\u1ec7m cao su trong su\u1ed1t kh\u00f4ng cho ch\u00fang \u0111\u1ebfn g\u1ea7n nhau. V\u1edbi l\u1edbp \u0111\u1ec7m \u0111\u00f3 v\u00f4 h\u00ecnh chung \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u1eeb tr\u01b0\u1eddng.<\/p>\n

C\u00f2n c\u00f9ng d\u1ea5u th\u00ec \u0111\u1ea9y nhau, khi ch\u00fang ta c\u00f3 th\u1ec3 d\u00f9ng c\u00e1c m\u0169i t\u00ean cong, \u0111\u1ec3 v\u1ebd h\u00ecnh d\u1ea1ng c\u1ee7a t\u1eeb tr\u01b0\u1eddng xung quanh nam ch\u00e2m. C\u00e1c m\u0169i t\u00ean lu\u00f4n lu\u00f4n b\u1eaft \u0111\u1ea7u t\u1eeb c\u1ef1c B\u1eafc c\u1ee7a nam ch\u00e2m v\u00e0 ch\u1ec9 v\u1ec1 h\u01b0\u1edbng c\u1ef1c Nam. Khi c\u00f9ng m\u1ed9t c\u1ef1c h\u01b0\u1edbng v\u1ec1 nhau, c\u00e1c m\u0169i t\u00ean t\u1eeb 2 nam ch\u00e2m ch\u1ec9 v\u1ec1 h\u01b0\u1edbng ng\u01b0\u1ee3c nhau v\u00e0 c\u00e1c \u0111\u01b0\u1eddng l\u1ef1c tr\u01b0\u1eddng kh\u00f4ng th\u1ec3 g\u1eb7p nhau. B\u1edfi v\u1eady, c\u1ee5c nam ch\u00e2m c\u0169ng s\u1ebd \u0111\u1ea9y nhau.<\/p>\n

Ch\u1ec9 khi n\u00e0o b\u1ea1n \u0111\u1ec3 hai c\u1ee5c nam ch\u00e2m g\u1ea7n nhau v\u00e0 1 c\u1ee5c th\u00ec c\u1ef1c Nam v\u00e0 c\u1ee5c kia c\u1ef1c B\u1eafc h\u01b0\u1edbng v\u1ec1 nhau th\u00ec ch\u00fang m\u1edbi h\u00fat nhau. B\u00e2y gi\u1edd th\u00ec b\u1ea1n s\u1ebd th\u1ea5y t\u1eeb tr\u01b0\u1eddng gi\u1ed1ng nh\u01b0 s\u1ee3i d\u00e2y chun k\u00e9o ch\u00fang l\u1ea1i v\u1edbi nhau.<\/p>\n

Nam ch\u00e2m khi tr\u00e1i d\u1ea5u th\u00ec h\u00fat nhau: khi m\u1ed9t c\u1ef1c b\u1eafc h\u01b0\u1edbng v\u1ec1 m\u1ed9t c\u1ef1c Nam th\u00ec c\u00e1c m\u0169i t\u00ean ch\u1ec9 v\u1ec1 m\u1ed9t h\u01b0\u1edbng, b\u1edfi v\u1eady c\u00e1c \u0111\u01b0\u1eddng l\u1ef1c tr\u01b0\u1eddng c\u0169ng c\u00f3 th\u1ec3 g\u1eb7p nhau v\u00e0 2 c\u1ee5c nam ch\u00e2m s\u1ebd h\u00fat nhau.<\/p>\n

2. V\u1eady t\u1ea1i sao nam ch\u00e2m l\u1ea1i h\u00fat ho\u1eb7c \u0111\u1ea9y nhau?<\/strong><\/h2>\n

Ch\u1eafc h\u1eb3n c\u00e1c b\u1ea1n s\u1ebd th\u1eafc m\u1eafc t\u1ea1i sao nam ch\u00e2m l\u1ea1i h\u00fat nhau ho\u1eb7c \u0111\u1ea9y nhau, b\u1edfi v\u00ec li\u00ean quan t\u1edbi n\u0103ng l\u01b0\u1ee3ng s\u1ebd l\u00e0m chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n

V\u00ed d\u1ee5: nh\u01b0 m\u1ed9t chi\u1ebfc xe m\u00e1y hay \u00f4 t\u00f4 \u0111ang \u0111\u1ee9ng im s\u1ebd ch\u1ec9 \u0111i \u0111\u01b0\u1ee3c khi b\u1ea1n n\u1ed5 m\u00e1y. Vi\u1ec7c n\u1ed5 m\u00e1y ch\u00ednh l\u00e0 t\u00e1c \u0111\u1ed9ng \u0111\u1ed1t x\u0103ng ch\u1ee9a trong xe. B\u1edfi v\u00ec, x\u0103ng ch\u1ee9a n\u0103ng l\u01b0\u1ee3ng v\u00e0 khi h\u00e0nh \u0111\u1ed9ng n\u1ed5 m\u00e1y l\u00e0m x\u0103ng \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng v\u00e0 ch\u00e1y, s\u1ebd chuy\u1ec3n bi\u1ebfn th\u00e0nh n\u0103ng l\u01b0\u1ee3ng chuy\u1ec3n \u0111\u1ed9ng. C\u00e1c nh\u00e0 khoa h\u1ecdc g\u1ecdi \u0111\u00f3 l\u00e0 n\u0103ng l\u01b0\u1ee3ng c\u1ea5t trong x\u0103ng ch\u01b0a \u0111\u1ed1t \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u1ebf n\u0103ng v\u00e0 n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c g\u00e2y ra chuy\u1ec3n \u0111\u1ed9ng sau khi x\u0103ng ch\u00e1y l\u00e0 \u0111\u1ed9ng n\u0103ng.<\/p>\n

\"\"<\/p>\n

Khi b\u1eaft \u0111\u1ea7u ch\u1ea1y th\u00ec n\u0103ng l\u01b0\u1ee3ng c\u1ea5t b\u00ean trong v\u00e0 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng m\u1ed9t ph\u1ea7n bi\u1ebfn \u0111\u1ed5i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng g\u00e2y chuy\u1ec3n \u0111\u1ed9ng ch\u1ea1y c\u1ee7a b\u1ea1n.<\/p>\n

C\u00f2n v\u1edbi nam ch\u00e2m th\u00ec sao, t\u1eeb tr\u01b0\u1eddng xung quanh nam ch\u00e2m ch\u1ee9a th\u1ebf n\u0103ng v\u00e0 c\u00f3 m\u1ed9t c\u00e1ch \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i th\u1ebf n\u0103ng \u0111\u00f3. Ch\u00ednh l\u00e0 c\u00e1ch b\u1ea1n th\u1ef1c hi\u1ec7n \u0111\u1eb7t 2 c\u1ee5c nam ch\u00e2m quay \u0111\u1ea7u v\u00e0o nhau th\u00ec s\u1ebd d\u1eabn \u0111\u1ebfn c\u00e1ch ch\u00fang chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n

3. Qui t\u1eafc c\u1ea7n nh\u1edb<\/strong><\/h2>\n

T\u1ea5t c\u1ea3 m\u1ecdi v\u1eadt trong v\u0169 tr\u1ee5 n\u00e0y \u0111ang \u0111\u1ec1u theo m\u1ed9t quy t\u1eafc. V\u00e0 quy t\u1eafc \u0111\u00f3 l\u00e0 \u1edf \u0111\u00e2u c\u00f3 n\u0103ng l\u01b0\u1ee3ng t\u00edch tr\u1eef \u00a0trong m\u1ed9t v\u1eadt v\u00e0 v\u1eadt \u0111\u00f3 kh\u00f4ng b\u1ecb ch\u00f3i bu\u1ed9c hay m\u1eafc k\u1eb9t \u1edf m\u1ed9t n\u01a1i c\u1ed1 \u0111\u1ecbnh. V\u1eadt \u0111\u00f3 c\u0169ng \u0111\u01b0\u1ee3c \u0111\u1ea9y v\u1ec1 ph\u00eda m\u00e0 \u1edf \u0111\u00f3 n\u0103ng l\u01b0\u1ee3ng t\u00edch tr\u1eef c\u1ee7a n\u00f3 ti\u00eau hao. N\u0103ng l\u01b0\u1ee3ng n\u00e0y c\u0169ng s\u1ebd gi\u1ea3m v\u00e0 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n

Ch\u00ednh v\u00ec th\u1ebf, n\u1ebfu 2 c\u1ee5c nam ch\u00e2m quay kh\u00e1c c\u1ef1c v\u00e0o nhau, th\u00ec ch\u00fang s\u1ebd ti\u1ebfn g\u1ea7n nhau v\u00e0 l\u00e0m gi\u1ea3m n\u0103ng l\u01b0\u1ee3ng t\u00edch tr\u1eef trong t\u1eeb tr\u01b0\u1eddng. Ti\u1ebfp theo ch\u00fang s\u1ebd b\u1ecb h\u00fat v\u00e0o nhau hay c\u00f2n g\u1ecdi l\u00e0 s\u1ef1 h\u1ea5p d\u1eabn. C\u00f2n n\u1ea5u 2 c\u1ee5c nam ch\u00e2m n\u00e0y c\u00f9ng quay c\u00f9ng c\u1ef1c Nam v\u00e0o nhau ho\u1eb7c c\u00f9ng quay c\u1ef1c B\u1eafc v\u00e0o nhau th\u00ec n\u0103ng l\u01b0\u1ee3ng t\u00edch tr\u1eef s\u1ebd gi\u1ea3m xu\u1ed1ng v\u00e0 khi ch\u00fan r\u1eddi xa nhau h\u01a1n.<\/p>\n

B\u1edfi v\u1eady, khi n\u00f3i quy t\u1eafc n\u00e0y 2 c\u1ee5c nam ch\u00e2m s\u1ebd b\u1ecb \u0111\u1ea9y theo h\u01b0\u1edbng l\u00e0m gi\u1ea3m n\u0103ng l\u01b0\u1ee3ng t\u00edch tr\u1eef.<\/p>\n

V\u1edbi quy t\u1eafc n\u00e0y c\u0169ng n\u00f3i r\u1eb1ng khi th\u1ea3 c\u00e1c v\u1eadt b\u1ecb h\u00fat v\u1ec1 ph\u00eda Tr\u00e1i \u0110\u1ea5t v\u00e0 r\u01a1i xu\u1ed1ng th\u00ec \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 do t\u1eeb t\u00ednh, m\u00e0 do tr\u1ecdng l\u1ef1c. Tr\u00e1i \u0110\u1ea5t\u00a0c\u0169ng \u0111\u01b0\u1ee3c bao b\u1ecdc b\u1edfi m\u1ed9t tr\u1ecdng tr\u01b0\u1eddng c\u00f3 ch\u1ee9a n\u0103ng l\u01b0\u1ee3ng t\u00edch tr\u1eef.<\/p>\n

C\u0169ng kh\u00f4ng gi\u1ed1ng nh\u01b0 t\u1eeb t\u00ednh, tr\u1ecdng l\u1ef1c kh\u00f4ng bao gi\u1edd \u0111\u1ea9y b\u1edfi v\u00ec tr\u1ecdng l\u1ef1c ch\u1ec9 c\u00f3 m\u1ed9t chi\u1ec1u. V\u1edbi tr\u1ecdng l\u1ef1c kh\u00f4ng c\u00f3 c\u1ef1c B\u1eafc hay c\u1ef1c Nam g\u00ec c\u1ea3.<\/p>\n

4. B\u1ea1n c\u00f3 th\u1ec3 l\u1ea5y n\u0103ng l\u01b0\u1ee3ng t\u00edch tr\u1eef trong t\u1eeb tr\u01b0\u1eddng m\u00e3i kh\u00f4ng?<\/strong><\/h2>\n

Tr\u1ea3 l\u1eddi: Kh\u00f4ng.<\/p>\n

B\u1edfi v\u00ec, khi 2 c\u1ee5c nam ch\u00e2m \u0111\u00e3 d\u00ednh v\u00e0o nhau r\u1ed3i th\u00ec b\u1ea1n c\u1ea7n tr\u1ea3 l\u1ea1i m\u1ed9t ph\u1ea7n th\u1ebf n\u0103ng l\u1ea1i cho tr\u01b0\u1eddng, b\u1eb1ng c\u00e1ch k\u00e9o 2 c\u1ee5c nam ch\u00e2m ra kh\u1ecfi nhau. B\u1ea1n kh\u00f4ng th\u1ec3 l\u1ea5y n\u0103ng l\u01b0\u1ee3ng m\u00e0 kh\u00f4ng tr\u1ea3 l\u1ea1i n\u00f3.<\/p>\n

N\u0103ng l\u01b0\u1ee3ng c\u1ea7n c\u00f3 \u0111\u1ec3 k\u00e9o 2 c\u1ee5c nam ch\u00e2m ra xa nhau l\u00e0 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a b\u1ea1n, c\u00f2n b\u1ea1n c\u00f3 n\u0103ng l\u01b0\u1ee3ng l\u00e0 nh\u1edd th\u1ee9c \u0103n. \u0110\u1ed1i v\u1edbi rau qu\u1ea3, th\u1ecbt c\u00e1 b\u1ea1n \u0103n l\u00e0 l\u1ea5y l\u1ea1i n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u00e1c lo\u1ea1i rau v\u00e0 c\u00e1c con ho\u1eb7c l\u1ea5y t\u1eeb m\u1eb7t tr\u1eddi. T\u1ea5t c\u1ea3 n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec1u s\u1ebd c\u00f3 m\u1ed9t ngu\u1ed3n l\u1ea5y n\u00e0o \u0111\u00f3.<\/p>\n

5. M\u1ed9t c\u1ef1c nam ho\u1eb7c b\u1eafc c\u1ee7a nam ch\u00e2m c\u00f3 m\u1ea1nh h\u01a1n c\u1ef1c kia kh\u00f4ng?<\/strong><\/h2>\n

Tr\u1ea3 l\u1eddi: Kh\u00f4ng, c\u1ea3 2 c\u1ef1c nam ch\u00e2m \u0111\u1ec1u m\u1ea1nh nh\u01b0 nhau.<\/p>\n

6. Lo\u1ea1i nam ch\u00e2m n\u00e0o m\u1ea1nh nh\u1ea5t?<\/strong><\/h2>\n

Tr\u1ea3 l\u1eddi: \u0110\u00f3 kh\u00f4ng ai kh\u00e1c l\u00e0 nam ch\u00e2m Neodymium, th\u01b0\u1eddng g\u1ecdi l\u00e0 nam ch\u00e2m tr\u1eafng, nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm (ch\u00ednh x\u00e1c h\u01a1n l\u00e0 Neodymium-Iron-Boron) l\u00e0 nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n

7. C\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t nam ch\u00e2m \u0111\u01a1n c\u1ef1c (m\u1ed9t c\u1ef1c) kh\u00f4ng?<\/strong><\/h2>\n

Tr\u1ea3 l\u1eddi: Kh\u00f4ng, \u0111\u00e2y l\u00e0 c\u00e2u h\u1ecfi ph\u1ea3n khoa h\u1ecdc, b\u1edfi kh\u00f4ng th\u1ec3 n\u00e0o s\u1ea3n xu\u1ea5t nam ch\u00e2m m\u1ed9t c\u1ef1c \u0111\u01b0\u1ee3c, b\u1edfi v\u00ec lo\u1ea1i n\u00e0y kh\u00f4ng t\u1ed3n t\u1ea1i. V\u00ec t\u1ea5t c\u1ea3 c\u00e1c nam ch\u00e2m ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t hai c\u1ef1c.<\/p>\n

8. Khi x\u1ebfp ch\u1ed3ng c\u00e1c vi\u00ean nam ch\u00e2m l\u1ea1i v\u1edbi nhau c\u00f3 l\u00e0m cho ch\u00fang m\u1ea1nh h\u01a1n kh\u00f4ng?<\/strong><\/h2>\n

Tr\u1ea3 l\u1eddi: C\u00f3, khi b\u1ea1n th\u1ef1c hi\u1ec7n x\u1ebfp ch\u1ed3ng nhi\u1ec1u nam ch\u00e2m l\u00ean nhau th\u00ec s\u1ebd th\u1ea5y \u0111\u01b0\u1ee3c ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c nh\u01b0 m\u1ed9t nam ch\u00e2m duy nh\u1ea5t c\u00f3 k\u00edch th\u01b0\u1edbc k\u1ebft h\u1ee3p.<\/p>\n

9. Nam ch\u00e2m h\u00fat nh\u1eefng v\u1eadt li\u1ec7u g\u00ec?<\/strong><\/h2>\n

Tr\u1ea3 l\u1eddi: V\u1edbi v\u1eadt li\u1ec7u s\u1eaft t\u1eeb b\u1ecb l\u1ef1c h\u00fat m\u1ea1nh. Th\u00ec c\u00e1c nguy\u00ean t\u1ed1 s\u1eaft (Fe), niken (Ni) v\u00e0 coban (Co) l\u00e0 nh\u1eefng nguy\u00ean t\u1ed1 ph\u1ed5 bi\u1ebfn nh\u1ea5t. Th\u00e9p l\u00e0 s\u1eaft t\u1eeb v\u00ec n\u00f3 l\u00e0 h\u1ee3p kim c\u1ee7a s\u1eaft v\u00e0 c\u00e1c kim lo\u1ea1i kh\u00e1c.<\/p>\n

10. C\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a m\u1ed9t nam ch\u00e2m \u0111\u01b0\u1ee3c \u0111o nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h2>\n

\"\"<\/p>\n

V\u1edbi gaussmeters \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o m\u1eadt \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a nam ch\u00e2m. \u0110\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tr\u01b0\u1eddng b\u1ec1 m\u1eb7t v\u00e0 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng gauss ho\u1eb7c tesla.<\/p>\n

11. Nam ch\u00e2m c\u00f3 g\u00e2y h\u1ea1i cho thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u1ee7a t\u00f4i kh\u00f4ng?<\/strong><\/h2>\n

Tr\u1ea3 l\u1eddi: C\u00f3 th\u1ec3, b\u1edfi v\u00ec t\u1eeb tr\u01b0\u1eddng m\u1ea1nh c\u1ee7a nh\u1eefng nam ch\u00e2m n\u00e0y c\u0169ng c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ti\u1ec7n t\u1eeb t\u00ednh nh\u01b0 l\u00e0 \u0111\u0129a m\u1ec1m, th\u1ebb t\u00edn d\u1ee5ng, h\u1ebb, b\u0103ng cassette, b\u0103ng video ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c.\u00a0Ho\u1eb7c ch\u00fang c\u0169ng c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng \u0111i TV, VCR, m\u00e0n h\u00ecnh m\u00e1y t\u00ednh v\u00e0 c\u00e1c m\u00e0n h\u00ecnh CRT kh\u00e1c. Ch\u00ednh v\u00ec v\u1eady, kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c \u0111\u1eb7t nam ch\u00e2m neodymium g\u1ea7n b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o trong s\u1ed1 n\u00e0y. C\u00f2n \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c nh\u01b0 \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, iPod, \u1ed5 \u0111\u0129a flash, m\u00e1y t\u00ednh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb t\u01b0\u01a1ng t\u1ef1 kh\u00f4ng ch\u1ee9a ph\u01b0\u01a1ng ti\u1ec7n l\u01b0u tr\u1eef t\u1eeb t\u00ednh, c\u00f3 l\u1ebd l\u00e0 kh\u00f4ng, nh\u01b0ng t\u1ed1t nh\u1ea5t l\u00e0 b\u1ea1n n\u00ean tr\u00e1nh xa an to\u00e0n v\u00e0 c\u1ed1 g\u1eafng tr\u00e1nh ti\u1ebfp x\u00fac g\u1ea7n gi\u1eefa nam ch\u00e2m neo v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n

12. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 lo\u1ea1i b\u1ecf b\u1ee5i kim lo\u1ea1i d\u00ednh tr\u00ean kh\u1eafp c\u00e1c b\u1ec1 m\u1eb7t nam ch\u00e2m v\u0129nh c\u1eedu?<\/strong><\/h2>\n

Tr\u1ea3 l\u1eddi: B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u0103ng d\u00ednh \u0111\u1ec3 ch\u1ee5p b\u1ee5i kim lo\u1ea1i nam ch\u00e2m, \u0111\u00f3 l\u00e0 c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 l\u00e0m s\u1ea1ch nam ch\u00e2m.<\/p>\n

13. Nam ch\u00e2m neodymium l\u00e0 g\u00ec? Ch\u00fang c\u00f3 gi\u1ed1ng nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm kh\u00f4ng?<\/strong><\/h2>\n

\u0110\u1ed1i v\u1edbi nam ch\u00e2m neodymium l\u00e0 m\u1ed9t th\u00e0nh vi\u00ean c\u1ee7a gia \u0111\u00ecnh nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm. Ch\u00fang s\u1ebd \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ea5t hi\u1ebfm v\u00ec neodymium l\u00e0 m\u1ed9t th\u00e0nh vi\u00ean c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm trong b\u1ea3ng tu\u1ea7n ho\u00e0n. Nam ch\u00e2m Neodymium l\u00e0 nam ch\u00e2m m\u1ea1nh nh\u1ea5t trong s\u1ed1 c\u00e1c nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm v\u00e0 l\u00e0 nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n

V\u1eeba tr\u00ean b\u00e0i vi\u1ebft chia s\u1ebb cho c\u00e1c b\u1ea1n v\u1ec1 nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 nam ch\u00e2m, ch\u00fang t\u00f4i \u0111\u00e3 gi\u00fap b\u1ea1n tr\u1ea3 l\u1eddi nh\u1eefng th\u1eafc m\u1eafc v\u1ec1 nam ch\u00e2m. Hi v\u1ecdng b\u00e0i vi\u1ebft \u0111\u00e3 gi\u1ea3i \u0111\u00e1p \u0111\u01b0\u1ee3c h\u1ebft nh\u1eefng kh\u00fac m\u1eafc c\u1ee7a kh\u00e1ch h\u00e0ng. N\u1ebfu c\u00f2n c\u00e2u h\u1ecfi n\u00e0o n\u1eefa th\u00ec c\u00e1c b\u1ea1n h\u00e3y g\u1ecdi \u0111i\u1ec7n ho\u1eb7c ch\u00e1t cho b\u00ean ch\u00fang t\u00f4i, ch\u00fang t\u00f4i s\u1ebd t\u01b0 v\u1ea5n v\u00e0 gi\u1ea3i \u0111\u00e1p r\u00f5 h\u01a1n v\u1ec1 t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i nam ch\u00e2m hi\u1ec7n nay.<\/p>\n

VINA MAGNET – Nh\u00e0 cung c\u1ea5p nam ch\u00e2m gi\u00e1 r\u1ebb h\u00e0ng \u0111\u1ea7u Vi\u1ec7t Nam<\/strong><\/p>\n

Li\u00ean h\u1ec7 mua h\u00e0ng:<\/p>\n

Hotline: 0908 91 6062<\/strong><\/p>\n

Website: vinamagnet.vn<\/strong><\/p>\n

Email: sales.vinamagnet@gmail.com<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u1ee5c nam ch\u00e2m n\u00e0o c\u0169ng s\u1ebd c\u00f3 2 m\u1eb7t v\u00e0 2 \u0111\u1ea7u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u1ef1c b\u1eafc v\u00e0 c\u1ef1c nam. S\u1edf d\u0129 ph\u1ea3i ph\u00e2n bi\u1ec7t nh\u01b0 v\u1eady v\u00ec, n\u1ebfu nh\u01b0 b\u1ea1n treo m\u1ed9t c\u1ee5c nam ch\u00e2m tr\u00ean m\u1ed9t s\u1ee3i d\u00e2y th\u00ec c\u1ef1c nam c\u1ee7a n\u00f3 s\u1ebd h\u01b0\u1edbng v\u1ec1 ph\u01b0\u01a1ng b\u1eafc. C\u00f3 hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3 x\u1ea3y…<\/p>\n","protected":false},"author":1,"featured_media":1795,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[257],"tags":[258,281],"class_list":["post-1793","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","tag-nam-cham","tag-nhung-thac-mac-ve-nam-cham"],"_links":{"self":[{"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/posts\/1793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1793"}],"version-history":[{"count":3,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/posts\/1793\/revisions"}],"predecessor-version":[{"id":1798,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/posts\/1793\/revisions\/1798"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/media\/1795"}],"wp:attachment":[{"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}