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

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...

What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value________ ?

A. 0° B. 45° C. 90° D. 180°...

If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave_________ ?

A. 42.42 sin 3141 B. 60 sin 25 t C. 30 sin 50 t D. 84.84 sin 25 t...