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Question
What is an electromagnet? How is it different from a permanent magnet ? Describe one application of an electromagnet.
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Solution
Electromagnets are temporary magnets which behaves as magnet when electric field interact with magnetic field.It is temporary but permanent magnet doesn't require an electric field its permanent. It is used in electric cranes.
Electromagnets are temporary magnets which behaves as magnet when electric field interact with magnetic field.
It is temporary but permanent magnet doesn't require an electric field its permanent. It is used in electric cranes.
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