Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be_____________?

Related Mcqs:

Mutually inductance between two magnetically-coupled coils depends on____________?

A. permeability of the core B. the number of their turns C. cross-sectional area of their common core D. all of the above...

Which of the following circuit elements will oppose the change in circuit current ?

A. Capacitance B. Inductance C. Resistance D. All of the above...

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...

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...