Electromagnetic Induction Ques 24
24. What is the self-inductance of a coil which produces $5 $ $V$ when the current changes from $3$ ampere to $2$ ampere in one millisecond?
[1993]
(a) $5000$ henry
(b) $5$ milli-henry
(c) $50$ henry
(d) $5$ henry
Show Answer
Answer:
Correct Answer: 24.(b)
Solution:
- (b) $L=\frac{e}{\frac{d i}{d t}}=\frac{e d t}{d i}=\frac{5 \times 10^{-3}}{(3-2)} H=5 $ $mH$
BETA
