AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over The whole cycle The quarter cycle The half cycle Unsymmetrical part of the wave form The whole cycle The quarter cycle The half cycle Unsymmetrical part of the wave form ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a parallel R-C circuit, the current always _________the applied voltage. Leads None of the listed here Lags Remains in phase with Leads None of the listed here Lags Remains in phase with 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 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 An instrument used for measuring phases of an unbalanced 3-phase load A line which represents the magnitude and phase of an alternating quantity 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 An instrument used for measuring phases of an unbalanced 3-phase load ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The transient currents are associated with the Applied voltage to the circuit Changes in the stored energy in the inductors and capacitors Resistance of the circuit Impedance of the circuit Applied voltage to the circuit Changes in the stored energy in the inductors and capacitors Resistance of the circuit Impedance of the circuit ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Poor power factor Results in more power losses in the electrical system Overloads alternators, transformers and distribution lines Reduces load handling capability of electrical system All of the listed here Results in more power losses in the electrical system Overloads alternators, transformers and distribution lines Reduces load handling capability of electrical system All of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates Unity power factor Low efficiency High power factor Maximum load current Unity power factor Low efficiency High power factor Maximum load current ANSWER DOWNLOAD EXAMIANS APP
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