Electro Magnetic Induction And Alternating Currents Question 585
Question: Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 second, given L = 10 mH [DCE 2001]
Options:
A) 1 V
B) 1 mV
C) 1 mV
D) 0.1 V
Show Answer
Answer:
Correct Answer: B
Solution:
$ |e|,=L\frac{di}{dt}\Rightarrow ,|e|,=10\times {{10}^{-6}}\times \frac{1}{10}=1\mu V $
