| 词汇 | bar-magnet |
| 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. Chemistry: metals & metalworking anti-tarnish base metal bimetallic brazen brazier bullion cast iron ferrous galvanized gilt gold leaf lode magnet silver plate tarnished tinplated untarnished vermeil wrought iron zirconium You can also find related words, phrases, and synonyms in the topics: Physics: energy, force & power |
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