Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Retentivity Permeability Permeance There is no valid comparison Reluctance Retentivity Permeability Permeance There is no valid comparison Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Like magnetic poles repel; unlike poles attract Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel; unlike poles attract Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel None of these Current is induced in a conductor that is moving through a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 30 Ohm None of these 100 Ohm 10 Ohm 20 Ohm 30 Ohm None of these 100 Ohm 10 Ohm 20 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA 3.2 mA None of these 13 mA 0.05 mA 3.75 mA 3.2 mA None of these 13 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Resistances provide the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow The ac voltage lags the current by 90 degree None of these Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow The ac voltage lags the current by 90 degree None of these Inductive reactance provides the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Voltmeter Ohmmeter Wattmeter Ammeter None of these Voltmeter Ohmmeter Wattmeter Ammeter None of these ANSWER DOWNLOAD EXAMIANS APP
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