Q.

The following figure shows a charge Q kept at the centre of a cube. Let  ϕ represents the flux of field due to the charge Q. The correct options are:

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a

ϕABCD=Q6ε0

b

ϕabcd=Q24ε0

c

ϕabcd=0

d

ϕCbpf=Q24ε0

answer is A, B, C.

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Detailed Solution

ϕABCD=Q6ε0;ϕabcd=0

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