Q.
A cylinder of radius r and length l is placed in an uniform electric field in such a way that the axis of the cylinder is parallel to the field. The flux of the field through the cylindrical surface is
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a
2rlεo
b
lεo
c
2πrlεo
d
Zero
answer is D.
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Detailed Solution
ΔS→ on cylindrical surface is perpendicular to E→∴ΣE→ . ΔS→=0
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