| ASSERTION: Earth's magnetic field inside a closed iron box is less as compared to the Outside |
| REASON: The magnetic permeability of iron is low. |
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: C
Solution :
As the magnetic permeability \[\left( \mu =\frac{B}{H} \right)\]of iron is high, therefore, lines of force prefer to pass through or concentrate in the iron walls of the box.
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