A 450-turn solenoid, 24 cm long, has a diameter of 2.2 cm . A 10-turn coil...

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Physics

A 450-turn solenoid, 24 cm long, has a diameter of 2.2 cm . A10-turn coil is wound tightly around the center of the solenoid. Ifthe current in the solenoid increases uniformly from 0 to 2.9 A in0.57 s , what will be the induced emf in the short coil during thistime?

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4.2 Ratings (531 Votes)
here If a current I in a coil is changing at a rate dIdt then a voltage across the coil will be induced in the direction to oppose the change Vcoil Ldidt where L is the self    See Answer
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