Q.The capacitance of a spherical capacitor with inner radius 3 cm and outer radius 6 cm is (take 1/(4πε₀) = $9 × 10^9$ )

36 pF

18 pF

72 pF

9 pF

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

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Q.The capacitance of a spherical capacitor with inner radius 3 cm and outer radius 6 cm is (take 1/(4πε₀) =9×109 9 × 10^99×109)