Electro Magnetic Induction And Alternating Currents Question 538
Question: An e.m.f. of 12 volts is induced in a given coil when the current in it changes at the rate of 48 amperes per minute. The self inductance of the coil is [MP PMT 2000]
Options:
A) 0.25 henry
B) 15 henry
C) 1.5 henry
D) 9.6 henry
Show Answer
Answer:
Correct Answer: B
Solution:
$ L=\frac{e}{di/dt}=\frac{12}{48/60}=15\ H $
