Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100V

Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100 V. The self inductance of the coil is

Options

(a) 0.25 H
(b) 0.4 H
(c) 2.5 H
(d) 4 H

Correct Answer:

2.5 H

Explanation:

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