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A Gaussian surface S encloses two charge...

A Gaussian surface S encloses two charges `q_(1)= q and q_(2) = -q `the field at p is
where `vecE_(1), vecE_(2)and vecE_(3)` are the field contributed by `q_(1),q_(2)and q_(3)at` P respectively.

A

`vecE_(1)+vecE_(2)`

B

`vecE_(1)+vecE_(2)+ vecE_(3)`

C

` vecE_(3)`

D

`vecE_(1)+vecE_(2)- vecE_(3)`

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The correct Answer is:
b
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