EC > GATE 2019 > Electrostatics
What is the electric flux (∫E·da) through a quarter-cylinder of height H (as shown in the figure) due to an infinitely long line charge along the axis of the cylinder with a charge density of Q?
A
HQ/ε0
B
HQ/4ε0
C
0/4Q
D
4H/Qε0

Correct : b

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