AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates Maximum load current Unity power factor High power factor Low efficiency Maximum load current Unity power factor High power factor Low efficiency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? None of these VL and VR VC and VL VC and VR None of these VL and VR VC and VL VC and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the following circuit will be unity Capacitance None of the listed here Inductance Resistance Capacitance None of the listed here Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because of Capacitive effect between adjacent coil turns Iron loss in core Skin effect Increase in temperature Capacitive effect between adjacent coil turns Iron loss in core Skin effect Increase in temperature ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Instantaneous power Reactive power True power Volt-amperes Instantaneous power Reactive power True power Volt-amperes ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value, which of the following wave has the least mean value? Square wave Sine wave Triangular wave Half wave rectified sine wave Square wave Sine wave Triangular wave Half wave rectified sine wave ANSWER DOWNLOAD EXAMIANS APP
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