Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ammeter Ohmmeter Wattmeter Voltmeter None of these Ammeter Ohmmeter Wattmeter Voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount None of these passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 10.738 1.5 0.707 None of these 0.575 10.738 1.5 0.707 None of these 0.575 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the voltage and round off the current waveforms peak both the voltage and current waveforms None of these round off both the voltage and current waveforms peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms None of these round off both the voltage and current waveforms peak the current and round off the voltage waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? 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 The total current is less than the sum of the currents for the resistance and capacitance None of these 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 The total current is less than the sum of the currents for the resistance and capacitance None of these The total current is greater than the sum of the currents for the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has no electrical charge An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that costs nothing None of these An electron that has no electrical charge An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that costs nothing None of these ANSWER DOWNLOAD EXAMIANS APP
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