Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage causes current to flow in two directions at the same time None of these The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time None of these The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit has no effect on the current through the inductors cuts the current through the inductors one-half doubles the amount of current through the inductors None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit has no effect on the current through the inductors cuts the current through the inductors one-half doubles the amount of current through the inductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 40 V 36 V 0 V 60 V None of these 40 V 36 V 0 V 60 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.93 W 0.93 V 0.041666666666667 9.3 W None of these 0.93 W 0.93 V 0.041666666666667 9.3 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: volts per second None of these henrys Ohm amperes per second volts per second None of these henrys Ohm amperes per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? None of these Nonlinear Bilateral Linear Unipolar None of these Nonlinear Bilateral Linear Unipolar ANSWER DOWNLOAD EXAMIANS APP