What are electromagnet
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Yogita Ingle 7 years, 7 months ago
An electromagnet is a magnet that is created using an electric current, created by electricity. Since electricity can be turned on and off, so can an electromagnet. It can even be weakened or strengthened by decreasing or increasing the current.
Properties of electromagnet:
1) they are very strong temporary magnets and are demagetised as soon as the current is switched off.
2) Their strength depends on three things
* Strength of the current
* Number of turns of the coil.
* Material formation its core.
3) They can be made in suitable sizes and shapes depending on the purpose.
1Thank You