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Two concentric circular coils of radii R...

Two concentric circular coils of radii R and r `(lt lt R)` carry currents of `i_(1)` and `i_(2)` respectively. If the smaller coil is rotated slightly about one of its diameter, it starts oscillating. Then, which of the following statement(s) `is//are` correct ?

A

The oscillations are simple harmnic in nature

B

The frequency of oscillation is proportional to product `i_(1)i_(2)`

C

The frequency of oscillation is proportional of square root of R

D

The frequency of osillation is independent of radius r

Text Solution

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The correct Answer is:
a,d
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