The self induced emf of a coil is 25 volts

PHYSICS · Single correct · CBSE · Physics · Electromagnetic Induction · Electromagnetic Induction

Problem

The self induced emf of a coil is 25 volts. When the current in it is changed at uniform rate from 10 A to 25 A in 1s, the change in the energy of the inductance is: (1) 740 J (2) 437.5 J (3) 540 J (4) 637.5 J

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