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If the electric flux entering and leavin...

If the electric flux entering and leaving a closed surface are `6 xx 10^(6) and 9 xx 10^6` S.I. units respectively, then the charge inside the surface of permittivity of free space `epsi_(0)` is

A

`epsi_(0) xx 10^(6)`

B

`-epsi_(0) xx 10^(6)`

C

`-2 epsi_(0) xx 10^(6)`

D

`3 epsi_(0) xx 10^6`

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The correct Answer is:
D
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