Q. Find out the e.m.f. produced when the current changes from 0 to $1\ A$ in $10\ second$, given $L = 10\ \mu H$
A) $1\ V$
B) $1\ \mu V$
C) $1\ mV$
D) $0.1\ V$
Explanation
(b) $|e| = L\frac{di}{dt} \Rightarrow |e| = 10 \times 10^{- 6} \times \frac{1}{10} = 1\mu V$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.