JEE Physics ยท Medium

Capacitance: Van de Graaff Generator MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Van de Graaff GeneratorMediumQuestion 31557

Question

In a Van de Graaff generator, charge accumulates on:
  1. A
    Inner surface of sphere
  2. B
    Outer surface of sphere
    Correct
  3. C
    Belt
  4. D
    Base

Correct answer

Outer surface of sphere

Explanation

By electrostatic shielding, all charge resides on the outer surface of the hollow conducting sphere, allowing the voltage to build up to millions of volts.