Electronic Principles Which one of the following statements regarding ac circuits is correct? All of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor Current leads the voltage through a resistor None of these All of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor Current leads the voltage through a resistor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: None of these parallel RL circuit purely resistive circuit parallel RC circuit parallel RLC circuit operated above its resonant frequency None of these parallel RL circuit purely resistive circuit parallel RC circuit parallel RLC circuit operated above its resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 40 V 60 V None of these 36 V 0 V 40 V 60 V None of these 36 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 18 V 24 V 30 V 12 V None of these 18 V 24 V 30 V 12 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeance Permeability Retentivity Reluctance There is no valid comparison Permeance Permeability Retentivity Reluctance There is no valid comparison ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 18 None of these 1 4 29 18 None of these 1 4 29 ANSWER DOWNLOAD EXAMIANS APP