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 12 kVAR 10 kVAR 8 kVAR 16 kVAR 12 kVAR 10 kVAR 8 kVAR 16 kVAR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates High power factor Maximum load current Unity power factor Low efficiency High power factor Maximum load current Unity power factor Low efficiency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A sine wave has a frequency of 50 Hz. Its angular frequency is __________ radian/second. 5 n 25 JT 50 jt 100 n 5 n 25 JT 50 jt 100 n ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that Both waves must have identical peak values Both waves must have same frequency Both waves must have zero value at the same time None of these Both waves must have identical peak values Both waves must have same frequency Both waves must have zero value at the same time None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Imax the r.m.s. value is 0.9 1.414 Imax 0.707 0.5 Imax 0.9 1.414 Imax 0.707 0.5 Imax ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following statements pertains to resistors only? Oppose sudden changes in voltage Connecting them in parallel increases the total value Can dissipate considerable amount of power Can act as energy storage devices Oppose sudden changes in voltage Connecting them in parallel increases the total value Can dissipate considerable amount of power Can act as energy storage devices ANSWER DOWNLOAD EXAMIANS APP
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