Questions
A point charge Q is placed at the corner F of a cube. Then electric flux through the face ABCD is
a
Q24e0
b
Q12e0
c
Q18e0
d
Q8e0
detailed solution
Correct option is A
Net charge enclosed by the cube =Q8Net flux over its surface =Q8ε0Flux through the three surfaces EFGH, BFGC and AEFB is zero.So the net flux is equally shared by remaining three surfaces. Flux through ABCD =13 x Q8ε0=Q24ε0Talk to our academic expert!
Similar Questions
A point charge +10 is a distance 5cm directly above the centre of a square of side10 cm ,as shown in the figure. What is the magnitude of the electric flux through the square?
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