A very small circular loop of radius a is initially (at t = 0) coplanar and concentric with a much larger fixed circular loop of radius b. A constant current I flows in the larger loop. The smaller loop is rotated with a constant angular speed `omega` about the common diameter. The emf induced in the smaller loop as a function of time t isA. `pi mu_(0)I_(0) (a^(2))/(b)omega "sin"(omegat)`B. `(pi mu_(0) I_(0))/(2) * (a^(2))/(b)omega"cos"(omega t)`C. `(pi mu_(0) I_(0)b^(2))/(a) omega"cos"(omega t)`D. `(pi mu_(0) I_(0))/(2) (a^(2))/(b) omega "sin" (omega t)`

A very small circular loop of radius a is initially (at t = 0) coplana

1.	A very small circular loop of radius a is initially (at t = 0) coplanar and concentric with a much larger fixed circular loop of radius b. A constant current I flows in the larger loop. The smaller loop is rotated with a constant angular speed `omega` about the common diameter. The emf induced in the smaller loop as a function of time t isA. `pi mu_(0)I_(0) (a^(2))/(b)omega "sin"(omegat)`B. `(pi mu_(0) I_(0))/(2) * (a^(2))/(b)omega"cos"(omega t)`C. `(pi mu_(0) I_(0)b^(2))/(a) omega"cos"(omega t)`D. `(pi mu_(0) I_(0))/(2) (a^(2))/(b) omega "sin" (omega t)`
Answer» Correct Answer - D

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