A) Zero
B) \[\frac{1}{4\pi {{\varepsilon }_{0}}}.\frac{Q}{R}\]
C) \[\frac{1}{4\pi {{\varepsilon }_{0}}}.\frac{2Q}{R}\]
D) \[\frac{1}{4\pi {{\varepsilon }_{0}}}.\frac{Q}{2R}\]
Correct Answer: B
Solution :
Potential V any where inside the hollow sphere, including the centre is \[V=\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{Q}{r}\].
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