Question

The current in a coil of L = 40 mH is to be increased uniformly from 1A to 11A in 4 milli sec. The induced e.m.f. will be(a) 100 V(b) 0.4 V(c) 440 V(d) 40 V

Answer 1

Hey mate.....

here's the answer....

The current in a coil of L = 40 mH is to be increased uniformly from 1A to 11A in 4 milli sec. The induced e.m.f. will be(a) 100 V(b) 0.4 V(c) 440 V(d) 40 V

$\huge{Option \:A}$

Answer 2

Answer:

100 V

Explanation:

https://www.sarthaks.com/231183/the-current-self-inductance-mh-is-to-be-increased-uniformly-from-amp-amp-milliseconds-the