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 Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree None of these Capacitive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, protons, and ions None of these Protons only Electrons, ions, and neutrons Electrons, protons, and neutrons Electrons, protons, and ions None of these Protons only Electrons, ions, and neutrons Electrons, protons, and neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.955 A 0.41666666666667 2.02 A 0.02 A None of these 0.955 A 0.41666666666667 2.02 A 0.02 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The total current is less than the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance None of these The total current is less than the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? Silicon None of these All of these Copper Germanium Silicon None of these All of these Copper Germanium ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always increases as the applied frequency increases always decreases as the applied frequency increases is minimum at the resonant frequency is maximum at the resonant frequency None of these always increases as the applied frequency increases always decreases as the applied frequency increases is minimum at the resonant frequency is maximum at the resonant frequency None of these ANSWER DOWNLOAD EXAMIANS APP