AC Fundamentals, Circuit and Circuit Theory Form factor for a sine wave is 0.637 1.414 0.707 1.11 0.637 1.414 0.707 1.11 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 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 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 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 None of these The less heat than produced by A.C. flowing through the same circuit 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 None of these The less heat than produced by A.C. flowing through the same circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of C only L only L or C R only C only L only L or C R only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Unity Zero Greater than unity Less than unity Unity Zero Greater than unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 36 kW 40 kW 80 kW 32 kW 36 kW 40 kW 80 kW 32 kW ANSWER DOWNLOAD EXAMIANS APP