Question

Different between Barmagnet and Electromagnet

Answer 1

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Electromagnet behaves as a magnet as long as electric current passes through the solenoid surrounding it. It is demagnetized when electric current stops passing through the solenoid, but bar magnet cannot be magnetized easily.

The polarity of an Electromagnet can be reversed by reversing the direction of electric current passes the solenoid but the polarity of a bar magnet cannot be reversed.




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Answer 2

Difference between Bar magnet and Electromagnet:

1. Bar magnet is permanent magnet while electromagnet is temporary magnet.
2. we cannot change polarity of bar magnet but can change in electromagnet.
3. b.m. strength is fixed but strength of electromagnet can be increased or decreased by change the current.

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