A thin spherical conducting shell of radius R is given a charge q . Another charge Q is placed at the centre of the shell. The electrostatic potential at the point P at a distance R 2 from the centre of the shell is

Question

A thin spherical conducting shell of radius R is given a charge q . Another charge Q is placed at the centre of the shell. The electrostatic potential at the point P at a distance R 2 from the centre of the shell is, 2 Q 4 π ε 0 R - 2 q 4 π ε 0 R, 2 Q 4 π ε 0 R + q 4 π ε 0 R, ( q ⁡ + Q ⁡ ) 4 π ε 0 2 R, 2 Q 4 π ε 0 R

MARKS App · Accepted Answer

Potential due to point charge V 1 = Q 4 π ε 0 R 2 Potential due to shell at inside point V 2 = V R 2 = V s u r f a c e V 2 = q 4 π ε 0 R V t o t a l = 2 Q 4 π ε 0 R + q 4 π ε 0 R

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