a conducting ring of radius b is placed coaxially in a long solenoid of radius a (a b) having n - Physics - Electromagnetic Induction

Question

​a conducting ring of radius b is placed coaxially in a long
solenoid of radius a (a<b) having n turns per unit length A
current i = io cos omega t flows through the solenoid the induced
emf in the ring is

Vijay Shankar Yadav · Accepted Answer

Dear Student,
Magnetic field inside the solenoid=μ0ni=μ0ni0cos(ωt)now enduced emf=-dφdt=-dπb2μ0ni0cos(ωt)dt=ωπb2μ0ni0sin(ωt)
Regard

​a conducting ring of radius b is placed coaxially in a long solenoid of radius a (a<b) having n turns per unit length. A current i = io cos omega t flows through the solenoid. the induced emf in the ring is

a conducting ring of radius b is placed coaxially in a long solenoid of radius a (a<b) having n turns per unit length. A current i = io cos omega t flows through the solenoid. the induced emf in the ring is