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JEE Main 2002 (AIEEE) · Capacitance of a Conductor

Capacitance of a Conductor question from JEE Main 2002 (AIEEE)

Q14JEE Main 2002 · AIEEEEasy

Capacitance of a Conductor

Capacitance (in FF) of a spherical conductor with radius 1 m1\text{ m} is

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Answer: (a)

  1. C=4πε0R=R9×109C = 4\pi\varepsilon_0 R = \frac{R}{9\times10^{9}}
  2. C=19×109≈1.1×10−10 FC = \frac{1}{9\times10^{9}} \approx 1.1\times10^{-10}\text{ F}
  3. So the answer is (a) 1.1×10−101.1\times10^{-10}.
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