Questions
A charge q is located at the centre of a cube. The electric flux through any face is :
a
πq64πε0
b
q64πε0
c
2πq64πε0
d
4πq64πε0
detailed solution
Correct option is D
From gauss' law, ϕ=qε0This is the net flux coming out of the cube. Since, a cube has 6 sides, so electric flux through any face isϕ′=ϕ6=q6ε0=4πq64πε0Talk 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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