Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Voltmeter Ohmmeter Wattmeter None of these Ammeter Voltmeter Ohmmeter Wattmeter None of these Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? None of these 550 Ohm 310 Ohm 410 Ohm 400 Ohm None of these 550 Ohm 310 Ohm 410 Ohm 400 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Norton's theorem replaces a complicated circuit facing a load by an Ideal current source and parallel resistor Ideal voltage source and parallel resistor None of these Ideal current source and series resistor Ideal voltage source and series resistor Ideal current source and parallel resistor Ideal voltage source and parallel resistor None of these Ideal current source and series resistor Ideal voltage source and series resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 20 k Ohm 1 k Ohm 2 k Ohm None of these 10 k Ohm 20 k Ohm 1 k Ohm 2 k Ohm None of these 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 35.4 V 30.4 V 37.4 V 38.74 V None of these 35.4 V 30.4 V 37.4 V 38.74 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: 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 None of these ANSWER DOWNLOAD EXAMIANS APP
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