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} $



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