1.

A condenser has two conducting plates of radius `10cm` separated by a distance of `5 mm`. It is charged with a constant current of `0.15A`. The magnetic field at a point `2cm` from the axis in the gap isA. `1.5xx10^(6)T`B. `3xx10^(-8)T`C. `6xx10^(-8)T`D. `3xx10^(-6)T`

Answer» Correct Answer - C
`B=(mu_(0)ir)/(2piR^(2))`


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