Electronic Principles Which one of the following statements regarding ac circuits is correct? All of these None of these Current lags the voltage through a resistor Current leads the voltage through a resistor Current and voltages are in phase through a resistor All of these None of these Current lags the voltage through a resistor Current leads the voltage through a resistor Current and voltages are in phase through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: None of these is maximum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases is minimum at the resonant frequency None of these is maximum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases is minimum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 700 V None of these 707 V 651 V 208 V 700 V None of these 707 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The total voltage is less than the sum of the voltages across the resistance and inductance None of these The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage is less than the sum of the voltages across the resistance and inductance None of these The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit The total voltages is equal to the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the source voltage divided by total current equal to the sun of the individual capacitive-reactance values None of these equal to the sum of the individual capacitance values less than the value of the smallest capacitor equal to the source voltage divided by total current equal to the sun of the individual capacitive-reactance values None of these equal to the sum of the individual capacitance values less than the value of the smallest capacitor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the None of these Half the load resistance Load resistance Open-load resistance Internal resistance of a Morton circuit None of these Half the load resistance Load resistance Open-load resistance Internal resistance of a Morton circuit ANSWER DOWNLOAD EXAMIANS APP
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