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Q.A capacitor is made of a conducting sphere of radius R1R_1 and a concentric conducting shell of radius R2R_2. The capacitance is (JEE Main 2021)

a
4πϵ0R1R2R2−R14\pi\epsilon_0 \dfrac{R_1 R_2}{R_2 - R_1}
b
4πϵ0(R2−R1)4\pi\epsilon_0 (R_2 - R_1)
c
4πϵ0R1R24\pi\epsilon_0 R_1 R_2
d
4πϵ0(R1+R2)4\pi\epsilon_0 (R_1 + R_2)

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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