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Polarity of an Electromagnet

What is an el...

Question

What is an electromagnet? State its uses.

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Solution

An electromagnet is a magnet that is created using an electric current. It is very powerful as compared to the permanent magnet.
Uses:
It is used in bullet trains.
It is used in cranes for lifting heavy objects.
It is used in motors and generators.
It is used in MRI machines.

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Polarity of an Electromagnet

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