A long solenoid of 20 turns per cm has a small loop of area

Last updated: 6/12/2023

A long solenoid of 20 turns per cm has a small loop of area 4 cm placed inside the solenoid normal to its axis If the current by the solenoid changes steadily from 4 A to 6A in 0 25s what is the average induced emf in the loop while the current is changing