Q. If coefficient of self induction of a coil is 1 H, an emf of 1 V is induced, if
A) Current flowing is 1 A
B) Current variation rate is 1 A$s^{- 1}$
C) Current of 1 A flows for one sec
D) None of the above
Explanation
(b) From $e = LdI/dt \Rightarrow dI = \frac{e}{L} = \frac{1}{1} = 1\ As^{- 1}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.