AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates Unity power factor Low efficiency High power factor Maximum load current Unity power factor Low efficiency High power factor Maximum load current ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 127.4 V 141.4 V 200 V 282.8 V 127.4 V 141.4 V 200 V 282.8 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A pure capacitor connected across an A.C. voltage consumed 50 W. This is due to The current flowing in capacitor The size of the capacitor being quite big The capacitive reactance in ohms The statement is incorrect The current flowing in capacitor The size of the capacitor being quite big The capacitive reactance in ohms The statement is incorrect ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Impedance is maximum Current is minimum Voltage across C is minimum Current is maximum Impedance is maximum Current is minimum Voltage across C is minimum Current is maximum ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Pure inductive circuit takes power from the A.C. line when Applied voltage increases but current decreases Applied voltage decreases but current increases Both applied voltage and current increase Both applied voltage and current decrease Applied voltage increases but current decreases Applied voltage decreases but current increases Both applied voltage and current increase Both applied voltage and current decrease ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory All definitions of power factor of a series R-L-C circuit are correct except Ratio of J and Z Ratio of kW and kVA Ratio of net reactance and impedance Ratio of W and VA Ratio of J and Z Ratio of kW and kVA Ratio of net reactance and impedance Ratio of W and VA ANSWER DOWNLOAD EXAMIANS APP
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