Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Wattmeter Ammeter Voltmeter None of these Ohmmeter Wattmeter Ammeter Voltmeter None of these Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping Free electrons Valence electrons None of these Thermal energy Doping Free electrons Valence electrons None of these Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? P = PR None of these R = E2/P P = E2/R I = P/E P = PR None of these R = E2/P P = E2/R I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: None of these equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values less than the value of the smallest inductor None of these equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values less than the value of the smallest inductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 0.41666666666667 100 A 1000 A None of these 0.1 A 0.41666666666667 100 A 1000 A None of these 0.1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: None of these peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms None of these peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms ANSWER DOWNLOAD EXAMIANS APP
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