Q.

Coercivity and retentivity of soft iron is [JIPMER 2019]

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a

high coercivity, high retentivity

b

low coercivity, high retentivity

c

low coercivity, low retentivity

d

high coercivity, low retentivity

answer is C.

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Detailed Solution

Coercivity and retentivity of soft iron is low, because its magnetisation disappears easily on the removal of external magnetising field. BUT WE SHOULD AWARE THAT SOFT IRON HAS HIGH RETENTIVITY.

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