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An infinite number of charges, each of m...

An infinite number of charges, each of magnitude q, are placed along x-axis at x = 1m, 2m, 4m, 8m, 16m and so on but the consecutive charges are of opposite sign starting with +q at x = 1m. A point charge `q_0` , kept at the origin, experiences a force of magnitude :

A

`(qq_0)/(4 pi epsi_0)`

B

`(qq_0)/(5 pi epsi_(0))`

C

`(qq_(0))/(3pi epsi_0)`

D

`(qq_(0))/(2piepsi_(0))`

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The correct Answer is:
B
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