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The diagram show a small bead of mass m ...

The diagram show a small bead of mass `m` carrying charge `q`. The bead can freely move on the smooth fixed ring placed on a smooth horizontal plane . In the same pane a charge ` +Q` has also been fixed as shown. The potential at the point ` P` due to ` +Q` is `V` . The velocity which the bead should projected from the point `P` so that it can complete a circle should be greater than .

A

`sqrt((6qV)/(m))`

B

`sqrt((qV)/(m))`

C

`sqrt((3qV)/(m))`

D

none

Text Solution

Verified by Experts

The correct Answer is:
A
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