Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Wattmeter Voltmeter Ammeter Ohmmeter None of these Wattmeter Voltmeter Ammeter Ohmmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? None of these 38.74 V 30.4 V 37.4 V 35.4 V None of these 38.74 V 30.4 V 37.4 V 35.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Free electrons Thermal energy None of these Doping Valence electrons Free electrons Thermal energy None of these Doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? 628 Ohm 444 Ohm Less than 1 Ohm 100 Ohm None of these 628 Ohm 444 Ohm Less than 1 Ohm 100 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Light energy Chemical energy Solar energy None of these Mechanical energy Light energy Chemical energy Solar energy None of these Mechanical energy 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 Flux density Number of lines of force Reluctance None of these Magnetomotive force Flux density Number of lines of force Reluctance None of these ANSWER DOWNLOAD EXAMIANS APP
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