Electronic Principles Current and voltage are said to be in phase when: None of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc All of these None of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? 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 Current and voltages are in phase through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? None of these The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages entering and leaving a point is equal to zero None of these The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has None of these Zero internal resistance Infinite internal resistance A small internal resistance A large internal resistance None of these Zero internal resistance Infinite internal resistance A small internal resistance A large internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage in a parallel circuit is equal to the average value of the individual voltages None of these The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage in a parallel circuit is equal to the average value of the individual voltages None of these The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage of a parallel circuit is the same as the voltages across each branch ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? E = PR None of these E = I2R I = ER I = E/R E = PR None of these E = I2R I = ER I = E/R ANSWER DOWNLOAD EXAMIANS APP
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