Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? None of these The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction at a steady level None of these The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RC circuit? The total voltage is equal to the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit None of these The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is greater than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit None of these The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is greater than the sum of the voltages across the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: None of these decreasing the area of the plates increasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates None of these decreasing the area of the plates increasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates 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 Magnetomotive force Number of lines of force Reluctance None of these Flux density Magnetomotive force Number of lines of force Reluctance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Norton current is sometimes called the None of these Thevenin voltage Shorted-load current Open-load current Thevenin current None of these Thevenin voltage Shorted-load current Open-load current Thevenin current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? All of these None of these Power dissipation of a pure capacitor increases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor decreases with operating frequency All of these None of these Power dissipation of a pure capacitor increases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor decreases with operating frequency ANSWER DOWNLOAD EXAMIANS APP
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