| ASSERTION: No work is done in taking a positive charge from the point to outer inside a positively charged metallic sphere while outside the sphere work is done in taking the charge toward the sphere. |
| REASON: Inside the sphere electric potential is same at each potential, but outside it is different for different points. |
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 :
Inside the charged metallic sphere every point is at the same electric potential, hence\[W=q\Delta V=0\]. But outside the sphere, there exists a potential gradient at every point, hence \[W\ne 0\].
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