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An infinite number of charges each q are...

An infinite number of charges each q are placed in the x-axis at distances of 1, 2, 4, 8, ………meter from the origin. If the charges are alternately positive and negative find the intensity of electric field at origin.

A

`(1)/( 1- pi in_0)` along + ve x-axis

B

`(1)/( 10 pi in_0)` along ` - ve ` x- axis

C

`(1)/( pi in_0)` along `+ ve ` x- axis

D

`(1)/( pi in_0)` along `-ve` x- axis

Text Solution

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The correct Answer is:
A
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