The soft-iron is a suitable material for making an electromagnet. This is because soft-iron has
← JEE Main 2022 · 24 Jun · Shift 2
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JEE Main 2022 · 24 Jun · Shift 2, Physics question 38
Answer and worked solution
Official answer: C
Electromagnet. It must magnetise strongly with a small current (high permeability) and lose its magnetism when the current stops (low retentivity, low coercivity). Soft iron has these.
(C)