The power factor of a D.C. circuit is always__________?

Related Mcqs:

The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of_______degrees?

A. 90 B. 60 C. 45 D. 30...

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...

The r.m.s. value of half wave rectified sine wave is 200 V. The r.m.s. value of full wave rectified AC. will be___________?

A. 282.8 V B. 141.4 V C. 111 V D. 100 V...

Capacitive susceptance is a measure of__________?

A. reactive power in a circuit B. the extent of neutralisation of reactive power in a circuit C. a purely capacitive circuit’s ability to pass current D. a purely capacitive circuit’s ability to resist the flow of current...

Time constant of a capacitive circuit__________?

A. increases with the decrease of capacitance and decrease of resistance B. increases with the decrease of capacitance and increase of resistance C. increases with the increase of capacitance and decrease of resistance D. increase with increase of capacitance and increase of resistance...