1.

An `AC rms` voltage of `2V` having a frequency of `50KHz` is applied to a condenser of capacity of `10muF`. The maximum value of the magnetic field between the plates of the condenser if the radius of plate is `10cm` isA. `0.4 p mu`B. `4pi mu T`C. `2 mu T`D. `40pi mu T`

Answer» Correct Answer - C
`B=(mu_(0)C)/(2piR )(dv)/(dt)`


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