A point charge q is placed at a distance r from center of a conducting neutral sphere of radius R(r>R). The potential at any point P inside the sphere at a distance $r_{1}$ from point charge due to induced charge of the sphere is given by :-

Question

diagram

TestHub · Accepted Answer

The conductor is an equipotential: potential inside equals that at centre O, $V_{O} = \frac{k q}{r} + 0$ (induced charges give 0 at O).

$V_{P} = \frac{k q}{r _{1}} + V_{in d u ce d} \Rightarrow V_{in d u ce d} = \frac{K q}{r} - \frac{K q}{r _{1}}$ - option (C).

Physics - Electrostatics Question with Solution | TestHub

Options:

Doubts & Discussion

JEE Main 2027 (Class 12+)