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Ferromagnetism

Core of elect...

Question

Core of electromagnets are made of ferromagnetic material which has

A

low permeability and high retentivity

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B

high permeability and low retentivity

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C

low permeability and low retentivity

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D

high permeability and high retentivity

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Solution

The correct option is B
high permeability and low retentivity

Core of electromagnets are made of ferromagnetic material which has high permeability and low retentivity.

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