AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. Very low High Low Very high Very low High Low Very high ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A phasor is 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 An instrument used for measuring phases of an unbalanced 3-phase load 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 40 kW 36 kW 80 kW 32 kW 40 kW 36 kW 80 kW 32 kW 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 8 kVAR 10 kVAR 16 kVAR 12 kVAR 8 kVAR 10 kVAR 16 kVAR 12 kVAR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure resistive circuit Current can lead or lag the voltage by 90° Current is in phase with the voltage Current lags behind the voltage by 90° None of the listed here Current can lead or lag the voltage by 90° Current is in phase with the voltage Current lags behind the voltage by 90° None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the system is kept high To reduce voltage regulation of the line To reduce line losses All of the listed here To maximize the utilization of the capacities of generators, lines and transformers To reduce voltage regulation of the line To reduce line losses All of the listed here To maximize the utilization of the capacities of generators, lines and transformers ANSWER DOWNLOAD EXAMIANS APP