Distinguish between bar magnet and a solenoid?
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Difference between a Bar Magnet and a Solenoid
The bar magnet is a permanent magnet whereas a solenoid is an electromagnet ie, it acts like a magnet only when an electric current is passed through. ... The poles of the bar magnet are fixed whereas for a solenoid the poles can be altered.
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Solenoid bar magnet
its polarity can be its polarity can't changed
temporary magnetic permanent
property
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