Electromagnet is better than permanent magnets?Why?
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Answered by
0
Answer:
An electromagnet is better than permanent magnet because it can produce very strong magnetic field and its strength can be controlled by varying the number of turns in its coil or by changing the current flowing through the coil.
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2
Answer:
Permanent magnet has many disadvantages compared to electromagnet.
Some of them are:
- Strength cannot be changed.
- Poles cannot be changed.
- Cannot switch off magnetic power. etc...
So electromagnet is better than permanent magnet
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