The frequency of an alternating current is____________?

A.C. Fundamentals, Circuits and Circuit Theory 14/11/2020

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

Related Mcqs:

    The peak value of a sine wave is 200 V. Its average value is___________?
    A. 127.4 V B. 141.4 V C. 282.8 V D. 200V...
    The series and parallel resonance on L-C circuit’ differs in that_________?
    A. series resistance needs a low-resistance source for sharp rise in current B. series resonance needs a high-resistance source for sharp increase in current C. parallel resonance needs a low-resistance source for a sharp in¬crease in impedance D. parallel resonance needs a low-resistance source for a sharp rise in line current...
    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...
    In a R-L-C circuit_________?
    A. power is consumed in resistance and is equal to I R B. exchange of power takes place between inductor and supply line C. exchange of power takes place between capacitor and supply line D. exchange of power does not take place between resistance and the supply line E. all above are correct...
    In any A.C. circuit always__________?
    A. apparent power is more than actual power B. reactive power is more than apparent power C. actual power is more than reactive power D. reactive power is more than actual power...

Leave a Reply

Your email address will not be published. Required fields are marked *