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
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
A sine wave of voltage varies from zero to maximum of 200 V. How much is the voltage at the instant of 30′ of the cycle? Mark as favorite Copy Link 100 V 173.2 V 50 V 82.8.V Check Answer
Skin effect occurs when a conductor N carries current at …. frequencies? Mark as favorite Copy Link medium high very low low Check Answer
In the case of an unsymmetrical alternating current the average value must always be taken over? Mark as favorite Copy Link the half cycle the whole cycle unsymmetrical part of the wave form the quarter cycle Check Answer
In a series circuit on resonance, following will occur? Mark as favorite Copy Link Z = R V = Vc V = VR all above Check Answer