For long distance transmission the transformer used is_____________?

Related Mcqs:

Higher the self-inductance of a coil_____________?

A. lesser its weber-turns B. lower the e.m.f. induced C. greater the flux produced by it D. longer the delay in establishing steady current through it...

In case all the flux from the current in coil 1 links with coil 2, the co-efficient of coupling will be____________?

A. 2.0 B. 1.0 C. 0.5 D. zero...

A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by________________?

A. variation in coil current B. variation in voltage to the coil C. change of number of turns of coil D. the resistance of magnetic path...

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...