Electronic Principles A real voltage source has None of these A small internal resistance Zero internal resistance Infinite internal resistance A large internal resistance None of these A small internal resistance Zero internal resistance Infinite internal resistance A large internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The total current is less than the sum of the currents through the resistance and inductance The total current is equal to the sum of the currents through the resistance and inductance The current always has the same amplitude and phase for every part of the circuit None of these The total current leads the total voltage by less than 90 The total current is less than the sum of the currents through the resistance and inductance The total current is equal to the sum of the currents through the resistance and inductance The current always has the same amplitude and phase for every part of the circuit None of these The total current leads the total voltage by less than 90 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: cuts the total current by one-half thrice the amount of total current has no effect on the total circuit current doubles the amount of total current None of these cuts the total current by one-half thrice the amount of total current has no effect on the total circuit current doubles the amount of total current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current and voltages are in phase through a resistor All of these None of these Current leads the voltage through a resistor Current lags the voltage through a resistor Current and voltages are in phase through a resistor All of these None of these Current leads the voltage through a resistor Current lags the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: equal to the source voltage divided by total current None of these less than the value of the smallest inductor equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current None of these less than the value of the smallest inductor equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: All of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency All of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency ANSWER DOWNLOAD EXAMIANS APP
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