| ASSERTION: For making permanent magnets, steel is 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 and reason is not the correct explanation of assertion.
C) If assertion is true but reason is false.
D) If both assertion and reason are false.
E) If assertion is false but reason is true.
Correct Answer: B
Solution :
Steel is preferred over soft iron for making permanent magnets, because Coercivity of steel is larger.
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