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If the electric flux entering and leavin...

If the electric flux entering and leaving an enclosed surface respectively is `phi_1` and `phi_2`, the electric charge inside the surface will be

A

`(phi_(1)+phi_(2))//epsilon_(0)`

B

`(phi_(1)-phi_(2))//epsilon_(0)`

C

`(phi_(1)+phi_(2))epsilon_(0)`

D

`(phi_(2)-phi_(1))epsilon_(0)`

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