Electronic Principles The rotating coil of wire in an electric motor is called the: armature None of these loop commutator brush armature None of these loop commutator brush ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Inductive reactance provides the only opposition to current flow None of these The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow Inductive reactance provides the only opposition to current flow None of these The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is minimum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases None of these is maximum at the resonant frequency is minimum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases None of these is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: piezoelectric devices None of these chemical cell thermocouple solar cell piezoelectric devices None of these chemical cell thermocouple solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 200 A 2 mA None of these 0.5 mA 0.083333333333333 200 A 2 mA None of these 0.5 mA 0.083333333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is another term for counter emf Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits None of these Inductive reactance is another term for counter emf Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits None of these ANSWER DOWNLOAD EXAMIANS APP
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