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  4. Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 s, given L=10 mH.

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Q. Find out the e.m.f. produced when the current changes from $0$ to $1\, A$ in $10\, s$, given $L=10\, mH$.

Electromagnetic Induction

Solution:

$|e|=L \frac{d i}{d t} \Rightarrow |e|=10 \times 10^{-6} \times \frac{1}{10}=1\, \mu V$