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The current in self inductance L = 40 mH is to be increased uniformly from 1 amp to 11 amp in 4 milliseconds. The e.m.f. induced in the inductor during the process is

(a) 100 volt

(b) 0.4 volt

(c) 4.0 volt

(d) 440 volt

Simran Bhatia , 12 Years ago
Grade 11
anser 1 Answers
Hrishant Goswami

Last Activity: 12 Years ago

(a)

 

Given that L = 40 × 10-3 H,

di = 11 A – 1 A = 10 A and dt = 4 × 10-3 s

 

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