A.C can not be used for_______________?

Related Mcqs:

The direction of induced e.m.f. can be found by_____________?

A. Laplace’s law B. Lenz’s law C. Fleming’s right hand rule D. Kirchhoff s voltage law...

In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will_____________?

A. increase B. decrease C. remain the same D. initially increase and then decrease...

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...

Which one of the following functions like a motor ?

A. galvanometer B. ammeter C. voltmeter D. all of above...

The self-inductance of a solenoid is increased when a soft iron core is inserted into it. This is because the soft iron core_______________?

A. Decreases the resistance of the solenoid B. Reduces the effect of eddy current C. Improves the flux linkage between the turns of the coil D. Increases the mutual inductance between the solenoid and the core...