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 the listed here VC and VL VC and VR VL and VR None of the listed here VC and VL VC and VR VL and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a purely inductive circuit None of the listed here Actual power is zero Reactive power is zero Apparent power is zero None of the listed here Actual power is zero Reactive power is zero Apparent power is zero ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A pure inductance connected across 250 V, 50 Hz supply consumes 100 W. This consumption can be attributed to The statement given is false The current flowing in the inductor The reactance of the inductor The big size of the inductor The statement given is false The current flowing in the inductor The reactance of the inductor The big size of the inductor 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 VC and VR VL and VR VC and VL None of these VC and VR VL and VR VC and VL ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 30 Hz 50 Hz 40 Hz 20 Hz 30 Hz 50 Hz 40 Hz 20 Hz 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 Increase in temperature 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 ANSWER DOWNLOAD EXAMIANS APP