AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? VC and VR None of these VL and VR VC and VL VC and VR None of these VL and VR VC and VL ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. Very high Low High Very low Very high Low High Very low ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Increasing core length Choosing core material having high relative permeability Decreasing the number of turns Decreasing the diameter of the former Increasing core length Choosing core material having high relative permeability Decreasing the number of turns Decreasing the diameter of the former 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 big size of the inductor The reactance of the inductor The statement given is false The current flowing in the inductor The big size of the inductor The reactance of the inductor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave? 84.84 sin 25 t 60 sin 25 t 30 sin 50 t 42.42 sin 314 t 84.84 sin 25 t 60 sin 25 t 30 sin 50 t 42.42 sin 314 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an A.C. circuit power is dissipated in Resistance only Inductance only None of the listed here Capacitance only Resistance only Inductance only None of the listed here Capacitance only ANSWER DOWNLOAD EXAMIANS APP
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