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
The phase difference between them is ….. degrees? Mark as favorite Copy Link 60 105 15 50 Check Answer
In a pure resistive circuit? Mark as favorite Copy Link current can lead or lag the volt age by 90 current leads the voltage by 90º current lags behind the voltage by 90 current is in phase with the voltage Check Answer
In the R-L-C circuit containing R = 4.5 W, L 0.006 H, C = 0.6 F the power factor will be? Mark as favorite Copy Link leading unity zero lagging Check Answer
The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA. The power drawn by the circuit is? Mark as favorite Copy Link 32 kW 64 Kw 12 kW 22 kW Check Answer