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Question

Physics Question on Surface tension

hollow cylinder
As shown above, a hollow cylinder has a charge q within it. If Φ is the electric flux through the curved surface ‘B’, then the flux linked with the plane surface ‘A’ is,

A

q2ε0\frac{q}{2ε_0}

B

(qε0Φ)(\frac{q}{ε_0}-Φ)

C

12(qε0Φ)\frac{1}{2}(\frac{q}{ε_0}-Φ)

D

Φ3\frac{Φ}{3}

Answer

12(qε0Φ)\frac{1}{2}(\frac{q}{ε_0}-Φ)

Explanation

Solution

The correct option is (C): 12(qε0Φ)\frac{1}{2}(\frac{q}{ε_0}-Φ)