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Point charge q(1) = 2 mu C and q(2) = - ...

Point charge `q_(1) = 2 mu C` and `q_(2) = - 1mu C` are kept at points `x = 0` and `x = 6` respectively. Electrical potential will be zero at points

A

x=2 and x=9

B

x=1 and x=5

C

x=4 and x=12

D

x=-2 and x=2

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