Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? None of these Ammeter Ohmmeter Voltmeter Wattmeter None of these Ammeter Ohmmeter Voltmeter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 16.3 mA 55.86 A 55 A None of these 18.2 mA 16.3 mA 55.86 A 55 A None of these 18.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: has no effect on ac signals None of these reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals None of these reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 1 V 0.3V None of these 0.7V 2 m V per degree Celsius 1 V 0.3V None of these 0.7V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 200 W 1000 W 100 W None of these 20 W 200 W 1000 W 100 W None of these 20 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: cuts the current through the inductors one-half doubles the amount of current through the inductors has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these cuts the current through the inductors one-half doubles the amount of current through the inductors has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these ANSWER DOWNLOAD EXAMIANS APP