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QUESTION
A very long solenoid with a diameter of 3 cm and length 20 cm is wound with 500 turns of wire. when current in the wire is reduced from 10 a to zero in 0.2 s, what average emf is induced in the soleno
A very long solenoid with a diameter of 3 cm and length 20 cm is wound with 500 turns of wire. when current in the wire is reduced from 10 a to zero in 0.2 s, what average emf is induced in the solenoid?
