Question

Assertion: For making permanent magnets, steel preferred over soft iron.
Reason: As retentivity of steel is smaller.
A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If assertion and reason both are false.

Answer 1

Correct Answer - B
Steel is preferred over soft iron for making permanent magnets, because coercivity of steel ia larger.