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/v3 V None of these 220 V 220 v3 V 220/v3 V None of these 220 V 220 v3 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a parallel R-C circuit, the current always _________the applied voltage. Lags Remains in phase with None of the listed here Leads Lags Remains in phase with None of the listed here Leads ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? VC and VL VC and VR None of the listed here VL and VR VC and VL VC and VR None of the listed here VL and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces The more heat than produced by A.C. when flowing through the same circuit The less heat than produced by A.C. flowing through the same circuit None of these The same heat as produced by A.C. when flowing through the same circuit The more heat than produced by A.C. when flowing through the same circuit The less heat than produced by A.C. flowing through the same circuit None of these The same heat as produced by A.C. when flowing through the same circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Capacitors for power factor correction are rated in kW kVAR kV kVA kW kVAR kV kVA ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power consumed in a circuit element will be least when the phase difference between the current and voltage is 30° 180° 90° 60° 30° 180° 90° 60° ANSWER DOWNLOAD EXAMIANS APP
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