Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow None of these Resistances provide the only opposition to current flow Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow None of these Resistances provide the only opposition to current flow Capacitive reactance provides the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Open-load resistance None of these Load resistance Internal resistance of a Morton circuit Half the load resistance Open-load resistance None of these Load resistance Internal resistance of a Morton circuit Half the load resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A feiTomagnetic material All of these None of these A diamagnetic material A paramagnetic material A feiTomagnetic material All of these None of these A diamagnetic material A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Flux density None of these Reluctance Magnetomotive force Number of lines of force Flux density None of these Reluctance Magnetomotive force Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance cuts the inductive reactance in half has no effect on the inductive reactance None of these multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance cuts the inductive reactance in half has no effect on the inductive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: None of these parallel RL circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit purely resistive circuit None of these parallel RL circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS