Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 40 V 0 V 60 V 36 V None of these 40 V 0 V 60 V 36 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an None of these Ideal current source and parallel resistor Ideal voltage source and parallel resistor Ideal voltage source and series resistor Ideal current source and series resistor None of these Ideal current source and parallel resistor Ideal voltage source and parallel resistor Ideal voltage source and series resistor Ideal current source and series resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: cuts the current through the inductors one-half doubles the amount of current through the inductors 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 None of these cuts the current through the inductors one-half doubles the amount of current through the inductors 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms cross through zero and reach positive and negative peaks at the same time None of these All of these their waveforms are both ac or both dc they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time None of these All of these their waveforms are both ac or both dc they have the same amplitude and frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Flux density Number of lines of force Reluctance None of these Magnetomotive force Flux density Number of lines of force Reluctance None of these Magnetomotive force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltages is less than the sum of the voltages across the resistance and inductance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltages is less than the sum of the voltages across the resistance and inductance None of these ANSWER DOWNLOAD EXAMIANS APP
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