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 A cylinder of length L and radius b has its axis coincident with the x-axis. The electric field in this region is E=200i^. Find the flux through the left end of the cylinder.

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a
0
b
200πb2
c
100πb2
d
−200πb2

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detailed solution

Correct option is D

ϕ=EAcos ⁡θ=Eπb2cos⁡ 180∘=−200πb2


Similar Questions

A cube of edge L = 10 cm is placed in uniform electric field E =5000 N/C as shown in Fig. (a), if the cube is rotated by angle θ=37 with vertical as shown in Fig. (b). Calculate the flux of electric field (in N - m2 / C) entering the cube.


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