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MHT CET Physics question

PhysicsElectrostatic Potential and CapacitanceMHT CET

The respective radii of the two spheres of a spherical condenser are 12 cm and 9 cm. The dielectric constant of the medium between them is 6. The capacity of the condenser will be

Answer: (A)

Solution

\dfrac{ab}{b-a}\dfrac{6×0.12×0.09}{9×10^{9}×0.03}$=2.4×10^{-1

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Question ID VK-075558