Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Flux density Magnetomotive force Reluctance None of these Number of lines of force Flux density Magnetomotive force Reluctance None of these Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Norton's theorem replaces a complicated circuit facing a load by an Ideal voltage source and parallel resistor Ideal voltage source and series resistor None of these Ideal current source and series resistor Ideal current source and parallel resistor Ideal voltage source and parallel resistor Ideal voltage source and series resistor None of these Ideal current source and series resistor Ideal current source and parallel resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force None of these The force that maintains lines of force The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force None of these The force that maintains lines of force The opposition to a build-up of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Norton current is sometimes called the Thevenin voltage Thevenin current Shorted-load current Open-load current None of these Thevenin voltage Thevenin current Shorted-load current Open-load current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Thermal energy None of these Free electrons Doping Valence electrons Thermal energy None of these Free electrons Doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 208 mA None of these 7.8 mA 300 mA 200 mA 208 mA None of these 7.8 mA 300 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
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