Electronic Principles Current and voltage are said to be in phase when: All of these their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency their waveforms are both ac or both dc All of these their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency their waveforms are both ac or both dc 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 Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow None of these Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has how many doped regions? None of these 1 3 2 4 None of these 1 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.02 A 2.02 A 0.41666666666667 0.955 A None of these 0.02 A 2.02 A 0.41666666666667 0.955 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Norton current is sometimes called the Thevenin voltage None of these Thevenin current Open-load current Shorted-load current Thevenin voltage None of these Thevenin current Open-load current Shorted-load current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: None of these from neutral to positive from negative to positive from positive to negative from right to left None of these from neutral to positive from negative to positive from positive to negative from right to left ANSWER DOWNLOAD EXAMIANS APP