Electronic Principles Most AC power is obtained from: batteries generators None of these oscillators lightning batteries generators None of these oscillators lightning ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Magnetomotive force Number of lines of force Flux density None of these Reluctance Magnetomotive force Number of lines of force Flux density None of these Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field? Out of this page Counterclockwise Into this page None of these Clockwise Out of this page Counterclockwise Into this page None of these Clockwise ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm 75 degree 30 degree None of these 180 degree 45 degree 75 degree 30 degree None of these 180 degree 45 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has Zero internal resistance A load-dependent current None of these A load dependent voltage Infinite internal resistance Zero internal resistance A load-dependent current None of these A load dependent voltage Infinite internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? The ac voltage leads the current by 90 degree Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow None of these Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow None of these Capacitive reactance provides the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP