JEE MAIN - Physics (2022 - 24th June Evening Shift - No. 7)
The soft-iron is a suitable material for making an electromagnet. This is because soft-iron has
low coercivity and high retentivity.
low coercivity and low permeability.
high permeability and low retentivity.
high permeability and high retentivity.
Explanation
Electromagnet requires high permeability and low retentivity.
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