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QAIPM-2014-Ph-1417: NEET 2014 Physics - Class 12 AIPM-2014-Ph-1417 Solution: A conducting sphere of radius R is given a charge Q. The…

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 zero and

\frac{Q}{4\pi\epsilon_0 R^2}

\frac{Q}{4\pi\epsilon_0 R}

and zero

\frac{Q}{4\pi\epsilon_0 R}

and

\frac{Q}{4\pi\epsilon_0 R^2}

both are zero

Multiple Choice Options

A zero and ${Q \over {4\pi {\varepsilon _0}{R^2}}}$ 4 � _ 0 _ R 2 Q _
B ${Q \over {4\pi {\varepsilon _0}R}}$ 4 � _ 0 _ R Q _ and zero
C ${Q \over {4\pi {\varepsilon _0}R}}$ 4 � _ 0 _ R Q _ and ${Q \over {4\pi {\varepsilon _0}{R^2}}}$ 4 � _ 0 _ R 2 Q _
D both are zero

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