In a purely inductive circuit? Mark as favorite Copy Link apparent power is zero none of above is zero actual power is zero reactive power is zero Check Answer
In a series R-L-C circuit at the resonant frequency the? Mark as favorite Copy Link impedance is maximum voltage is maximum current is maximum current is minimum Check Answer
If resistance is 20? and inductance is 2H in a R-L series circuit, time constant of this will be? Mark as favorite Copy Link 10 s 100 s 0.001 s 0.1 s Check Answer
Capacitors for power factor correction are rated in? Mark as favorite Copy Link KV KVAR KW KVA Check Answer
Kirchhoff’s current law is applicable to only? Mark as favorite Copy Link electric circuits electronic circuits junction in a network closed loops in a network Check Answer
The form factor is the ratio of? Mark as favorite Copy Link average value to r.m.s. value peak value to r.m.s. value r.m.s. value to average value average value to r.m.s. value Check Answer
A pure inductance connected across 250 V, 50 Hz supply consumes 100 W. This consumption can be attributed to? Mark as favorite Copy Link the current flowing in the inductor the statement given is false the big size of the inductor the reactance of the inductor Check Answer
Which of the following is linear and bilateral parameter? Mark as favorite Copy Link electron tubes transistor resistors semi-conductor diodes Check Answer
In a R-L-C series circuit if voltage V across the circuit is reduced to half the current I will change to? Mark as favorite Copy Link 3/4I 5/8I 2I I/2 Check Answer
The period of a sine wave is 1/50 seconds. Its frequency? Mark as favorite Copy Link 40 Hz 50 Hz 20 Hz 30 Hz Check Answer