Question

a cylinder is placed in a uniform electric e with its axis parellel to the field so that the total electric flux to the cylinder is zero

Answer 1

Hi friend,

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The total electric flux through the cylinder is zero.

There is a flux of −E.A−E.A on the top surface and +E.A+E.A in the bottom surface (assuming AAto be the circular area).

Positive flux is when field lines enter a closed surface and negative flux in when field lines leave a closed surface.

Hence the net flux is:

ϕ=+E.A−E.A=0


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