Infinite charges of magnitude q each are...

Infinite charges of magnitude q each are lying at `x=1,2,4,8……` metre on x-axis. The value of intensity of electric field at point `x=0` due to these charges will be

`12xx10^9 q N/C`

zero

`6xx10^9 q N/C`

`4xx10^9 q N/C`

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