| 释义 |
bar magnet
noun[ C ]
uk /ˈbɑː ˌmæɡ.nət/ us /ˈbɑːr ˌmæɡ.nət/
a magnet in the shape of a bar whose magnetic force is strongest at its poles(= ends), one end attracting iron and steel objects and the other end pushing them away: 磁棒;条形磁铁
If you hang a bar magnet from a piece of string, its north pole will swing round to point to Earth's North Pole. 如果把一块条形磁铁挂在一根绳子上，它的北极就会旋转指向地球的北极。
Mohamad Faizal Ramli/EyeEm/GettyImages
His experiments can be repeated easily with small bar magnets.
The magnetic field around a solenoid is similar to that around a bar magnet.
A compass needle is like a bar magnet. When it is free to rotate, it turns to point north-south.
If the solar wind did not exist, the earth's magnetic field would be like that of a bar magnet in space.
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