A solid non conducting sphere of radius R contains some positive charge uniformly distributed throughout its volume. Then electric potential at a radial distance γ
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a
increases as r increases for γR
b
decreases as r increases for γR.
c
remains constant s r increases for γR
d
decreases as increases for γR
answer is B.
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Detailed Solution
For a uniformly charged solid non-conducting sphere, V=VS2(3−γ2R2) for γ≤R and V=VS.Rγ for γ≥R where VS is the potential at the surface. So option (2) is right.