A cylinder of radius R and length L is placed in a
uniform electric field E parallel to the cylinder
axis. The outward flux over the surface of the
cylinder is given by
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hey mates your answer is here
Electric flux over the curved surface is
given by,
ϕ=∫E.ds cos90°
ϕ=0
Moreover, the flux over the end faces of
the cylinder is zero.
The flux or the lines of forces entering
the cylinder at one end leaves the other
end is same.
ϕ
out
=
EπR
2
−
EπR
2
=0
where, E=electric field
R=radius of cylinder
ϕ
out
=outward flux
Hence, total flux electric flux is zero.
may be it's helpful for you
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Ritiksuglan:
thanks dear
The flux entering the cylinder at the circular face of one end leaves the other circular face. But the flux itself cannot be 0. The change in flux through the cylinder is 0 in true sense. On proper calculation the Answer would be PiR^2E.
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