Electronic Principles The merging of a free electron and a hole is called None of these Lifetime Recombination Covalent bonding Thermal energy None of these Lifetime Recombination Covalent bonding Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 6 W 122 W 64 W None of these 3 W 6 W 122 W 64 W None of these 3 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: 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 is minimum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in two directions at the same time None of these The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in two directions at the same time None of these The current in an ac circuit changes direction periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow None of these The ac voltage leads the current by 90 degree Resistances provide the only opposition to current flow Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow None of these The ac voltage leads the current by 90 degree Resistances provide the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current and voltage are exactly in phase ac current lags the voltage by 90 degree None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current lags the voltage by 90 degree None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
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