A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere respectively are [NEET 2014]

\[\frac{Q}{4\pi {{\varepsilon }_{0}}R}\] and \[\frac{Q}{4\pi {{\varepsilon }_{0}}{{R}^{2}}}\]

zero and \[\frac{Q}{4\pi {{\varepsilon }_{0}}{{R}^{2}}}\]

\[\frac{Q}{4\pi {{\varepsilon }_{0}}R}\] and zero

A conducting sphere of radius R is given a charge Q. The electric pote

1.	A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere respectively are [NEET 2014]
A.	zero and \[\frac{Q}{4\pi {{\varepsilon }_{0}}{{R}^{2}}}\]
B.	\[\frac{Q}{4\pi {{\varepsilon }_{0}}R}\] and zero
C.	\[\frac{Q}{4\pi {{\varepsilon }_{0}}R}\] and \[\frac{Q}{4\pi {{\varepsilon }_{0}}{{R}^{2}}}\]
D.	Both are zero
Answer» C. \[\frac{Q}{4\pi {{\varepsilon }_{0}}R}\] and \[\frac{Q}{4\pi {{\varepsilon }_{0}}{{R}^{2}}}\]