If the electric field lines is flowing along axis of a cylinder, then the flux of this field through the cylindrical surface with the axis parallel to the field is [where r = radius of cylinder]
A
B
C
zero
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Assuming there is a small area 
on the cylindrical surface. The normal to this area will be perpendicular to the axis of the cylinder, but the electric field parallel to axis.
Hence, 
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