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A simple pendulum of mass m charged nega...

A simple pendulum of mass m charged negatively to q coulomb oscillates with a timeperiod T in a down ward electric field E such that `mggtqE..

If the electric field is withdrawn, the new time period

A

`=T`

B

`gtT`

C

`ltT`

D

any of the above three is possible

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The correct Answer is:
C
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