Electro Magnetic Induction And Alternating Currents Question 366
Question: A coil having 500 square loops each of side 10 cm is placed normal to a magnetic flux which increases at the rate of 1.0 tesla/second. The induced e.m.f. in volts is [CPMT 1989, 90; DCE 2002]
Options:
A) 0.1
B) 0.5
C) 1
D) 5
Show Answer
Answer:
Correct Answer: D
Solution:
$ |e|,=N( \frac{\Delta B}{\Delta t} ).A\cos \theta $ $ =500\times 1\times {{(10\times {{10}^{-2}})}^{2}}\cos 0=5V. $
