Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? None of these Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Resistances provide the only opposition to current flow None of these Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Resistances provide the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RL circuit parallel RC circuit purely resistive circuit None of these parallel RLC circuit operated above its resonant frequency parallel RL circuit parallel RC circuit purely resistive circuit None of these parallel RLC circuit operated above its resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The total current is greater than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit None of these The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The total current is greater than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: always decreases as the applied frequency increases is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases always decreases as the applied frequency increases is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the frequency of the applied voltage None of these increasing the area of the plates increasing the voltage applied to the plates decreasing the area of the plates increasing the frequency of the applied voltage None of these increasing the area of the plates increasing the voltage applied to the plates decreasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as None of these Bipolar Nonlinear Linear Active None of these Bipolar Nonlinear Linear Active ANSWER DOWNLOAD EXAMIANS APP