Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Reluctance None of these Flux density Magnetomotive force Number of lines of force Reluctance None of these Flux density Magnetomotive force 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? Clockwise None of these Counterclockwise Into this page Out of this page Clockwise None of these Counterclockwise Into this page Out of this page ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? None of these 300 µA 350 µA 0.25 µA 250 µA None of these 300 µA 350 µA 0.25 µA 250 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The circular magnetic field that surrounds a conductor carrying a current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a natural magnet a paramagnetic alloy None of these an artificial magnet a temporary magnet a natural magnet a paramagnetic alloy None of these an artificial magnet a temporary magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? None of these The total current is less than the sum of the currents for the resistance and capacitance The total current is greater than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents for the resistance and capacitance None of these The total current is less than the sum of the currents for the resistance and capacitance The total current is greater than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents for the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
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