Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 20 mW None of these 10 mW 300 mW 200 mW 20 mW None of these 10 mW 300 mW 200 mW 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? Reluctance Flux density Magnetomotive force None of these Number of lines of force Reluctance Flux density Magnetomotive force None of these Number of lines of force 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 Clockwise None of these Into this page Counterclockwise Out of this page Clockwise None of these Into this page Counterclockwise ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: None of these capacitive reactance is greater than the inductive reactance inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance None of these capacitive reactance is greater than the inductive reactance inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: armature None of these battery commutator rotor armature None of these battery commutator rotor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil None of these frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil None of these frequent changes in the direction of current through the coil causes heating effects in the core material ANSWER DOWNLOAD EXAMIANS APP
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