AC Fundamentals, Circuit and Circuit Theory The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 40 kW 80 kW 32 kW 36 kW 40 kW 80 kW 32 kW 36 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory When an alternating current passes through an ohmic resistance the electrical power converted into heat is None of the listed here Active power Apparent power Reactive power None of the listed here Active power Apparent power Reactive power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A phasor is A line which represents the magnitude and phase of an alternating quantity An instrument used for measuring phases of an unbalanced 3-phase load A colored tag or band for distinction between different phases of a 3-phase supply A line representing the magnitude and direction of an alternating quantity A line which represents the magnitude and phase of an alternating quantity An instrument used for measuring phases of an unbalanced 3-phase load A colored tag or band for distinction between different phases of a 3-phase supply A line representing the magnitude and direction of an alternating quantity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to Ratio of useful current to total current Iw/I Cosine of phase angle difference between current and voltage all of these R/Z Ratio of useful current to total current Iw/I Cosine of phase angle difference between current and voltage all of these R/Z ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Wire-wound resistors are unsuitable for use at high frequencies because they 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 Consume more power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 12 kVAR 8 kVAR 10 kVAR 16 kVAR 12 kVAR 8 kVAR 10 kVAR 16 kVAR ANSWER DOWNLOAD EXAMIANS APP
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