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An AC rms voltage of 2V having a frequen...

An AC rms voltage of 2V having a frequency of 50 KHz is applied to a condenser of capacity of `10 mu F`. The maximum value of the magnetic field between the plates of the condenser if the radius of plate is 10cm is

A

`0.4 muT`

B

`2 muT`

C

`4sqrt(2) muT`

D

`40 muT`

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