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The bob of a pendulum of mass 8 mu g car...

The bob of a pendulum of mass `8 mu g` carries an electric charge of `39.2xx10^(-10)` coulomb in an electric field of `20xx10^(3)` volt/meter and it is at rest. The angle made by the pendulum with the vertical will be

A

`27^(@)`

B

`45^(@)`

C

`87^(@)`

D

`127^(@)`

Text Solution

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The correct Answer is:
B
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