Question

The induced emf in a coil is independent of

• A. number of turns
• B. resistance of the coil
• C. rate of change of flux
• D. none of the above.

Answer 1

Answer: (B)

$E=\frac{d\varphi }{dt}$, where $\varphi =nBA$ . Thus $\epsilon$ is independent of resistance of the coil