AC Fundamentals, Circuit and Circuit Theory All definitions of power factor of a series R-L-C circuit are correct except Ratio of net reactance and impedance Ratio of W and VA Ratio of kW and kVA Ratio of J and Z Ratio of net reactance and impedance Ratio of W and VA Ratio of kW and kVA Ratio of J and Z ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. Which of the following values is indicated by the voltmeters? 220 V 220/v3 V 220 v3 V None of these 220 V 220/v3 V 220 v3 V None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of ________ degrees. 90 30 45 60 90 30 45 60 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates Low efficiency Maximum load current Unity power factor High power factor Low efficiency Maximum load current Unity power factor High power factor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value which of the following wave will 'have the highest r.m.s. value? Sine wave Square wave Half wave rectified sine wave Triangular wave Sine wave Square wave Half wave rectified sine wave Triangular wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. High Very low Very high Low High Very low Very high Low ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS