Electro Magnetic Induction And Alternating Currents Question 354
Question: In electromagnetic induction, the induced charge in a coil is independent of
Options:
A) Change in the flux
B) Time
C) Resistance in the circuit
D) None of the above
Show Answer
Answer:
Correct Answer: B
Solution:
We know that $ e=\frac{d\varphi }{dt} $ But e=iR and $ i=\frac{dq}{dt}\Rightarrow \frac{dq}{dt}R=\frac{d\varphi }{dt} $
Þ $ \ dq=\frac{d\varphi }{R} $
BETA
