Electrostatics Question 72

Question: In a spherical condenser radius of the outer sphere is R . The different in the radii of outer and inner sphere inx . Its capacity is proportional to

Options:

A) xR(R−x)

B) x(R−x)r

C) R(R−x)x

D) Rx

Show Answer

Answer:

Correct Answer: C

Solution:

C∝abb−a; a = R ? x, b = R so, C∝R(R−x)x

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