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 the listed here VL and VR VC and VL VC and VR None of the listed here VL and VR VC and VL ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The series and parallel resonance on L-C circuit' differs in that Parallel resonance needs a low-resistance source for a sharp rise in line current Series resistance needs a low-resistance source for sharp rise in current Parallel resonance needs a low-resistance source for a sharp increase in impedance Series resonance needs a high-resistance source for sharp increase in current Parallel resonance needs a low-resistance source for a sharp rise in line current Series resistance needs a low-resistance source for sharp rise in current Parallel resonance needs a low-resistance source for a sharp increase in impedance Series resonance needs a high-resistance source for sharp increase in current ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of ________ degrees. 60 90 30 45 60 90 30 45 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Poor power factor All of the listed here Reduces load handling capability of electrical system Results in more power losses in the electrical system Overloads alternators, transformers and distribution lines All of the listed here Reduces load handling capability of electrical system Results in more power losses in the electrical system Overloads alternators, transformers and distribution lines ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The purpose of a parallel circuit resonance is to magnify Voltage Frequency Power Current Voltage Frequency Power Current ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Capacitive reactance is more when Capacitance is less and frequency of supply is less Capacitance is more and frequency of supply is more Capacitance is more and frequency of supply is less Capacitance is less and frequency of supply is more Capacitance is less and frequency of supply is less Capacitance is more and frequency of supply is more Capacitance is more and frequency of supply is less Capacitance is less and frequency of supply is more ANSWER DOWNLOAD EXAMIANS APP