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प्रश्न
A coil of insulated copper wire is wound around a piece of soft iron and current is passed in the coil from a battery. What name is given to the device so obtained? Give one use of the device mentioned by you.
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उत्तर
The device formed is an electromagnet.
Use:
For separating the magnetic substances such as iron from other debris.
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संबंधित प्रश्न
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