A hollow metallic sphere of radius R is given a charge Q. Then the potential at the centre is [Orissa JEE 2005]

\[\frac{1}{4\pi {{\varepsilon }_{0}}}.\frac{Q}{R}\]

\[\frac{1}{4\pi {{\varepsilon }_{0}}}.\frac{Q}{2R}\]

A hollow metallic sphere of radius R is given a charge Q. Then the pot

1.	A hollow metallic sphere of radius R is given a charge Q. Then the potential at the centre is [Orissa JEE 2005]
A.	Zero
B.	\[\frac{1}{4\pi {{\varepsilon }_{0}}}.\frac{Q}{R}\]
C.	\[W=2{{r}^{2}}\pi T\]
D.	\[\frac{1}{4\pi {{\varepsilon }_{0}}}.\frac{Q}{2R}\]
Answer» C. \[W=2{{r}^{2}}\pi T\]

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A hollow metallic sphere of radius R is given a charge Q. Then the potential at the centre is [Orissa JEE 2005]

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