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प्रश्न
Name the material used for making the armature of an electric bell. Give a reason for your answer.
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उत्तर
The material used for making the armature of an electric bell is soft iron which can induce magnetism rapidly.
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संबंधित प्रश्न
Name one device that uses an electromagnet.
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State two differences between an electromagnet and a permanent magnet.
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Explain, why steel is used in preference to soft iron for making permanent magnets while soft iron is used in preference to steel for making electromagnets.
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Explain in detail the application of electromagnets.
Explain the working of the following device.
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