| ASSERTION: When radius of circular loop carrying current is doubled, its magnetic moment becomes four times. |
| REASON: Magnetic moment depends on area of the loop. |
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: A
Solution :
Magnetic moment, \[m=nIA\].
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