Electronic Principles Current is An imbalance of electrical charges The flow of charged particles through a material The number of free electrons in an atom None of these The force that causes electrons to flow An imbalance of electrical charges The flow of charged particles through a material The number of free electrons in an atom None of these The force that causes electrons to flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? None of these 20 A 50 A 0.20833333333333 None of these 20 A 50 A 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level None of these The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level None of these The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Thevenin voltage, you have to Short the load resistor None of these Open the voltage source Short the voltage source Open the load resister Short the load resistor None of these Open the voltage source Short the voltage source Open the load resister ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the voltage applied to the plates decreasing the area of the plates increasing the frequency of the applied voltage increasing the area of the plates None of these increasing the voltage applied to the plates decreasing the area of the plates increasing the frequency of the applied voltage increasing the area of the plates None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: None of these amplitude on the vertical axis and frequency on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis None of these amplitude on the vertical axis and frequency on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis ANSWER DOWNLOAD EXAMIANS APP