Electronic Principles A device that converts thermal energy to electrical energy is called a: solar cell piezoelectric devices thermocouple chemical cell None of these solar cell piezoelectric devices thermocouple chemical cell None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 55 A 55.86 A 16.3 mA None of these 18.2 mA 55 A 55.86 A 16.3 mA None of these 18.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals -276o C None of these 25o C 0o C -273o C -276o C None of these 25o C 0o C -273o C 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 None of these Inductive reactance provides 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 Resistances provide the only opposition to current flow None of these Inductive reactance provides 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: has no effect on the capacitive reactance doubles the amount of capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 7 None of these has no effect on the capacitive reactance doubles the amount of capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 7 None of these ANSWER DOWNLOAD EXAMIANS APP
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