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Charge Q is uniformly distributed throug...

Charge Q is uniformly distributed throughout the volume of a solid hemisphere of radius R metres. Then the potential at centre O of hemisphere in volts is:

A

`(1)/(4piepsilon_(0))(3Q)/(2R)`

B

`(1)/(4piepsilon_(0))(3Q)/(4R)`

C

`(1)/(4piepsilon_(0))(Q)/(4R)`

D

`(1)/(4piepsilon_(0))(Q)/(4R)`

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