Electronic Principles Current is The flow of charged particles through a material None of these The number of free electrons in an atom An imbalance of electrical charges The force that causes electrons to flow The flow of charged particles through a material None of these The number of free electrons in an atom An imbalance of electrical charges The force that causes electrons to flow 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? 13 mA 3.2 mA 0.05 mA 3.75 mA None of these 13 mA 3.2 mA 0.05 mA 3.75 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? chemical cell generator None of these solar cell thermocouple chemical cell generator None of these solar cell thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a conductor two coils separated by a dielectric two dielectrics separated by a conductor two conductors separated by a dielectric None of these two coils separated by a conductor two coils separated by a dielectric two dielectrics separated by a conductor two conductors separated by a dielectric None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Resistances provide the only opposition to current flow The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow None of these Resistances provide the only opposition to current flow The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeance Retentivity Permeability Reluctance There is no valid comparison Permeance Retentivity Permeability Reluctance There is no valid comparison ANSWER DOWNLOAD EXAMIANS APP
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