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Elctric charges having same magnitude of...

Elctric charges having same magnitude of electric charge 'q' coulombs are placed at x = 1 m, 2m ,4m , 8m ….. So on . If any two consecutive charges have opposite sign but the first charge is necessarily positive, what will be the potential at x = 0 ?

A

Infinity

B

Zero

C

`(1)/(4 pi epsilon_(0)) ((2q)/(3))`

D

`(1)/(4 pi epsilon_(0)) (2q)`

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