In AC. circuits, laminated iron is invariably used in order to__________?

Related Mcqs:

The power consumed in a circuit element will be least when the phase difference between the current and voltage is__________?

A. 180″ B. 90° C. 60° D. 0°...

A sine wave has a frequency of 50 Hz. Its angular frequency is ________ radian/second.

A. 100 n B. 50 jt C. 25 JT D. 5 n...

The frequency of an alternating current is____________?

A. the speed with which the alternator runs B. the number of cycles generated in one minute C. the number of waves passing through a point in one second D. the number of electrons passing through a point in one second...

In a three-phase supply floating neutral is undesirable because it way give rise to___________?

A. high voltage across the load B. low voltage across the load C. unequal line voltages across the load D. minimun voltage across the load...

If resistance is 20 Q. and inductance is 27 in a R-L series circuit, then time constant of this circuit will be________?

A. 0.001 s B. 0.1 s C. 10 s D. 100 s...