AC Fundamentals, Circuit and Circuit Theory Wire-wound resistors are unsuitable for use at high frequencies because they Consume more power Create more electrical noise Are likely to melt under excessive eddy current heat Exhibit unwanted inductive and capacitive effects Consume more power Create more electrical noise Are likely to melt under excessive eddy current heat Exhibit unwanted inductive and capacitive effects 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? VC and VR VL and VR VC and VL None of these VC and VR VL and VR VC and VL None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The ratio of active power to apparent power is known as factor. Load Form Demand Power Load Form Demand Power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Capacitive susceptance is a measure of Reactive power in a circuit A purely capacitive circuit's ability to pass current The extent of neutralization of reactive power in a circuit A purely capacitive circuit's ability to resist the flow of current Reactive power in a circuit A purely capacitive circuit's ability to pass current The extent of neutralization of reactive power in a circuit A purely capacitive circuit's ability to resist the flow of current ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces The more heat than produced by A.C. when flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit None of these The less heat than produced by A.C. flowing through the same circuit The more heat than produced by A.C. when flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit None of these The less heat than produced by A.C. flowing through the same circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates High power factor Low efficiency Maximum load current Unity power factor High power factor Low efficiency Maximum load current Unity power factor ANSWER DOWNLOAD EXAMIANS APP
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