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Charges 4Q, q and Q and placed along x-a...

Charges 4Q, q and Q and placed along x-axis at positions `x=0,x=1//2` and `x=1`, respectively. Find the value of q so that force on charge Q is zero

A

`-q`

B

`-2q`

C

`-q/2`

D

`4q`

Text Solution

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The correct Answer is:
A
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