A solenoid has 2000 turns wound over a length of 0 3 m Its

Last updated: 6/26/2023

A solenoid has 2000 turns wound over a length of 0 3 m Its cross sectional area is equal to 1 2x10 m Around its central cross section a coil of 300 turns is wound If an initial current of 2 A flowing in the solenoid is reversed in 0 25 s the emf induced in the coil in mV is