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Question

Eight dipoles of charges of magnitude q are placed inside a cube. Then, the total electric flux coming out of the cube will be
  1. 8qϵ
  2. 16qϵ
  3. qϵ
  4. 0

A
qϵ
B
0
C
8qϵ
D
16qϵ
Solution
Verified by Toppr

A dipole consist of two charges q and q, where is any charge.

Hence, net charge of a dipole is 0.
Hence, when 8 dipoles are kept inside a cube the net charge qnet inside the cube is 0.

And, flux ϕ=qnetϵo

ϕ=0

Answer-(D)

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