JEE Physics · Easy

Capacitance: Isolated Sphere MCQ

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

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Isolated SphereEasyQuestion 31503

Question

Capacitance of an isolated conducting sphere of radius R is:
  1. A
    R/4πε₀
  2. B
    4πε₀R
    Correct
  3. C
    4πε₀/R
  4. D
    R²/4πε₀

Correct answer

4πε₀R

Explanation

For an isolated sphere, V = kQ/R, so C = Q/V = R/k = 4πε₀R.