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Question

A charge Q is placed at the centre of a cube. The flux through the six surface of the cube is :
  1. Qε0
  2. 6Qε0
  3. Q6ε0
  4. Q3ε0

A
Qε0
B
6Qε0
C
Q6ε0
D
Q3ε0
Solution
Verified by Toppr

According to Gauss's law, the electric flux, ϕ=Qenclosedϵ0

Here the charge enclosed inside the cube is Qenclosed=Q

thus, ϕ=Qϵ0

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