What are Difference between Electromagnet and Permanent Magnet

Differentiate, distinguish, compare and explain what is the main difference between electromagnet and permanent magnet. Comparison and Differences.

Difference between Electromagnet and Permanent Magnet

S.No. Electromagnet Permanent Magnet
1 Electromagnet is temporary as it exhibits magnetic force only when current flows through it. Permanent Magnet as the name say is a permanent magnet.
2 Produces very strong magnetic force. Produces comparatively much weaker magnetic force.
3 Strength can be changed. Strength cannot be changed.
4 Polarity can be changed. Polarity cannot be changed.
5 Electromagnets are very strong as compared to permanent magnets. Magnetism property gets weaker over time or if gets dropped.
6 Electromagnets need electrical energy. Permanent magnets need no outside energy.
7 Discovered in 1820. Discovered long 2000 years ago.


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Difference between Permanent Magnet vs Electromagnet

Electromagnet vs Permanent Magnet

Differences between Permanent Magnet vs Electromagnet

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