A point charge Q is placed near a conducting neutral sphere of radius R. Then electric potential due to induce charges, on the sphere, at the centre of the sphere is (Given: 'r' is the distance between Centre of sphere and point charge Q).

Question

G1 Physics · Accepted Answer

Step 1: Use V = Σ[kqᵢ/rᵢ] for discrete charges or integrate dV = k dq/r for a continuous distribution. If a field is given, use ΔV = -∫𝐄·d𝐥. Step 2: Potential is a scalar, so contributions add algebraically. Step 3: Insert the stated distances/charge distribution and simplify. Final: C: Zero.