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 32 kW 40 kW 80 kW 36 kW 32 kW 40 kW 80 kW 36 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Poor power factor Reduces load handling capability of electrical system All of the listed here Overloads alternators, transformers and distribution lines Results in more power losses in the electrical system Reduces load handling capability of electrical system All of the listed here Overloads alternators, transformers and distribution lines Results in more power losses in the electrical system 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? VL and VR None of these VC and VL VC and VR VL and VR None of these VC and VL VC and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a parallel R-C circuit, the current always _________the applied voltage. Lags None of the listed here Remains in phase with Leads Lags None of the listed here Remains in phase with Leads ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by RC2 RC R/C R2C RC2 RC R/C R2C ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The transient currents are associated with the Applied voltage to the circuit Impedance of the circuit Changes in the stored energy in the inductors and capacitors Resistance of the circuit Applied voltage to the circuit Impedance of the circuit Changes in the stored energy in the inductors and capacitors Resistance of the circuit ANSWER DOWNLOAD EXAMIANS APP
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