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What is difference between electro magnet …

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What is difference between electro magnet and parmanent magnet

Posted by Komal Meena 6 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Yogita Ingle 6 years, 3 months ago

Electromagnet	Permanent Magnet
The magnetic properties are displayed when current is passed through it	Magnetic properties exist when the material is magnetized
The strength is adjusted depending upon the amount of flow of current	The strength depends upon the nature of the material used in its creation
Removal of magnetic properties is temporary	Once magnetic properties is lost, it becomes useless
It requires a continuous supply of electricity to maintain its magnetic field.	It doesn’t require a continuous supply of electricity to maintain its magnetic field
It is usually made of soft materials	It is usually made of hard materials
The poles of this kind of magnet can be altered with the flow of current	The poles of this kind of magnet cannot be changed.

Arpit Maurya 6 years, 3 months ago

Electromagnet has temporary magnetic field. Permanent magnet has permanent magnetic field.

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