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Why are electromagnets made of soft iron...

Why are electromagnets made of soft iron?

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This is because coercivity of soft iron is small.
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The core of electromagnet is made of soft iron because a) the susceptibility of soft iron is very high b) coercivity of soft iron is very low

Assertion: Electromagnets are made of soft iron. Reason: Coercivity of soft iron is small.

Electromagnets are made of soft iron because soft iron has