A Gaussian surface in the cylinder of cross-section πa² and length L is immersed in a uniform electric field E with the cylinder axis parallel to the field.The flux ? of the electric field through the closed surface is

Options

(a) 2πa²E
(b) πa²EL
(c) πa²(2+L)E
(d) zero

Correct Answer:

zero

Explanation:

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