Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is___________?

Related Mcqs:

Lenz’s law is a consequence of the law of conservation of__________?

A. induced current B. charge C. energy D. induced e.m.f....

The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit Weber turns

A. Yes B. No...

If the coil is wound on an iron core the flux through it will_______________?

A. decrease B. become zero C. remain the same D. increase...

A coil of wire is arranged with its plane perpendicular to a uniform magnetic field o flux density B. when the radius of the coil increases from r1 to r2 in time Δt then what is the emf induced in the coil ?

A. ωB/r22-r12/Δt B. ωB(r2-r1)2/Δt C. ωB(r22-r12)/Δt D. ωB(r22+r12)/Δt...

Self-inductance of a long solenoid is______________?

A. μoN2A B. μoN2/A C. μoN2 D. BA...