Q. The unit of self-inductance is
A) Weber ampere
B) ${Weber}^{- 1}$ ampere
C) Ohm second
D) Farad
Explanation
The magnitude of induced $emf$ is $|\varepsilon| = L\frac{dI}{dt}$ $or\ L = \frac{|\varepsilon|dt}{dI}$ $L = \frac{volt \times second}{ampere} = ohm\ second$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.