AC Fundamentals, Circuit and Circuit Theory The equation of 50 Hz current sine wave having r.m.s. value of 60 A is 60 sin 25 t 60 sin 50 t 42.42 sin 314 t 84.84 sin 3141 60 sin 25 t 60 sin 50 t 42.42 sin 314 t 84.84 sin 3141 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 10 kVAR 16 kVAR 12 kVAR 8 kVAR 10 kVAR 16 kVAR 12 kVAR 8 kVAR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory All the rules and laws of D.C. circuit also apply to A.C. circuit containing Capacitance only Resistance only All above Inductance only Capacitance only Resistance only All above Inductance only 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 None of these 220/v3 V 220 v3 V 220 V None of these 220/v3 V 220 v3 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A phasor is An instrument used for measuring phases of an unbalanced 3-phase load A line representing the magnitude and direction of an alternating quantity A line which represents the magnitude and phase of an alternating quantity A colored tag or band for distinction between different phases of a 3-phase supply An instrument used for measuring phases of an unbalanced 3-phase load A line representing the magnitude and direction of an alternating quantity A line which represents the magnitude and phase of an alternating quantity A colored tag or band for distinction between different phases of a 3-phase supply ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a circuit is the time in seconds taken after the application of voltage to each 63% of maximum value 25% of maximum value 50% of maximum value 90% of the maximum value 63% of maximum value 25% of maximum value 50% of maximum value 90% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
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