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प्रश्न
An electric bell has an electromagnet.
विकल्प
True
False
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उत्तर
This statement is True.
Explanation:
An electric bell has a piece of iron wound by a coil. When current passes through this coil, it behaves as an electromagnet.
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संबंधित प्रश्न
Will the compass needle show deflection when the switch in the circuit shown by figure is closed?
Fill in the following blank with suitable words:
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