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# Assertion :In case of charged spherical shells, E-r graph is discontinuous while V-r graph is continuous. Reason: According to Gauss theorem the charge inside a closed surface can only produce electric field at some point.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

## The correct option is C Assertion is correct but Reason is incorrectThe Electric field inside the spherical shell is 0 by Gauss' law. But at surface, it is given as E=Q/4πϵoR2. So the E−r graph is discontinuous.While potential inside the spherical shell is V=kQ/r,r<RAt surface and outside, V=kQ/RSo the V-r graph is continuous.So assertion is correct.The reason is incorrect, as any charge can produce electric field at any point, not just charge inside a closed surface.

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