What is the self-inductance per meter of a coaxial cable whose inner radius is 0.500 mm and whose outer radius is 4.00 mm?
An emf of 0.40 V is induced across a coil by changing the current through it. The current changes uniformly from 0.10 A to 0.60 A in 0.30 s. What is the self-inductance of the coil?
A coil with a self-inductance of 3.0 H carries a current that decreases at a uniform rate A/s. What is the emf induced in the coil?