Difference Between Electromagnet & Permanent Magnet

Difference Between Electromagnet & Permanent Magnet

 

Electromagnet

1. It is a temporary magnet, so,
can be easily demagnetised.

2. Strength can be varied.

3. Polarity can be reversed.
4. Generally strong magnet.

 

Permanent Magnet

1. Cannot be easily demagnetised.

2. Strength is fixed.

3. Polarity cannot be reversed.

4. Generally weak magnet.

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