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A small charged particle of mass m and c...

A small charged particle of mass m and charge q is suspended by an insulated thread in front of a very large conducting charged sheet of uniform surface density of charge `sigma`. The angle made by the thread with the vertical in equilibrium is

A

`tan^(-1)((sigmaq)/(2epsilon_(0)mg))`

B

`tan^(-1)((sigma)/(qepsilon_(0)mg))`

C

`tan^(-1)((q)/(2sigmaepsilon_(0)mg))`

D

zero

Text Solution

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The correct Answer is:
A
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