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A charge of 2C is placed on the x -axis ...

A charge of 2C is placed on the x -axis at I m from the origin along - ve x - axis. Infinite number of charges each of magnitude 2C are placed on x-axis at I m, 2m, 4m ………. From origin along +ve x-axis. The first charge is positive and altenate charges are of opposite in nature. The electic fields intensity at the origin.

A

`(1)/(10pi epsilon_(o))` along + ve x-axis

B

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

C

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

D

`(1)/(pi epsilon_(o))` along - ve x-axis

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The correct Answer is:
A
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