A cylinder of radius R and length L is placed in a uniform electric field E para

Discussion Forum : Electric Charges Fields And Gauss Law

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A cylinder of radius R and length L is placed in a uniform electric field E parallel to the cylinder axis. The total flux from the curved surface of the cylinder is given by

Answer: Option D
:
D

Φ = Φ_{1} + Φ_{2} + Φ_{3} Φ_{1} = E A c o s 180 = - E A

= - E A + E A + 0 Φ_{2} = E A c o s 0 = + E A

= 0 Φ_{3} = E A c o s 90 = 0

(Since Angle between E and A(Lateral surface) is always 90)
We only need to find

Φ_{3}

A Cylinder Of Radius R And Length L Is Placed In A Uniform E...

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