Electronic Principles What are the main parts of an atom? Protons only Electrons, ions, and neutrons None of these Electrons, protons, and neutrons Electrons, protons, and ions Protons only Electrons, ions, and neutrons None of these Electrons, protons, and neutrons Electrons, protons, and ions ANSWER DOWNLOAD EXAMIANS APP
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 Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any 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 Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal voltage source and parallel resistor Ideal voltage source and series resistor Ideal current source and series resistor None of these Ideal current source and parallel resistor Ideal voltage source and parallel resistor Ideal voltage source and series resistor Ideal current source and series resistor None of these Ideal current source and parallel resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Magnetomotive force Reluctance Number of lines of force Flux density None of these Magnetomotive force Reluctance Number of lines of force Flux density None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: None of these parallel RL circuit parallel RC circuit purely resistive circuit parallel RLC circuit operated above its resonant frequency None of these parallel RL circuit parallel RC circuit purely resistive circuit parallel RLC circuit operated above its resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? None of these 0.3 A 0.6 A 0.4 A 0.2 A None of these 0.3 A 0.6 A 0.4 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
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