Two concentric and coplanar coils have radii a and `b ( gt gt a)` as shows in Fig. Resistance of the inner coil is `R`. Current in the outer coil is increased from `0` to `i`, then the total charge circulating the inner coil is A. `(mu_(0)ia^(2))/(2Rb)`B. `(mu_(0)ib)/(2R)`C. `(mu_(0)i)/(2a) (pib^(2))/(R)`D. `(mu_(0)iB)/(2piR)`

Two concentric and coplanar coils have radii a and `b ( gt gt a)` as s

1.	Two concentric and coplanar coils have radii a and `b ( gt gt a)` as shows in Fig. Resistance of the inner coil is `R`. Current in the outer coil is increased from `0` to `i`, then the total charge circulating the inner coil is A. `(mu_(0)ia^(2))/(2Rb)`B. `(mu_(0)ib)/(2R)`C. `(mu_(0)i)/(2a) (pib^(2))/(R)`D. `(mu_(0)iB)/(2piR)`
Answer» Correct Answer - A

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