An air coref solenoid is of length 0.3 m , cross section area 1.2* 10-3 m2 nn hhahashas 2500 turns Around its central section a coil of 350 turns is wound The solenoid and the coil are electrically jnsulated from each other calculate the emf induced in the coil if the initial of 3A in the solenoid is reversed in 0.25 s
An air coref solenoid is of length 0.3 m , cross section area 1.2* 10-3 m2 nn hhahashas 2500 turns Around its central section a coil of 350 turns is wound The solenoid and the coil are electrically jnsulated from each other calculate the emf induced in the coil if the initial of 3A in the solenoid is reversed in 0.25 s