Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ohmmeter Wattmeter None of these Voltmeter Ammeter Ohmmeter Wattmeter None of these Voltmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 0.707 0.575 1.5 None of these 10.738 0.707 0.575 1.5 None of these 10.738 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: decreasing the area of the plates increasing the frequency of the applied voltage None of these increasing the voltage applied to the plates increasing the area of the plates decreasing the area of the plates increasing the frequency of the applied voltage None of these increasing the voltage applied to the plates increasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: None of these has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? None of these 0.05 mA 13 mA 3.2 mA 3.75 mA None of these 0.05 mA 13 mA 3.2 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Voltmeter Ammeter Wattmeter Ohmmeter None of these Voltmeter Ammeter Wattmeter Ohmmeter None of these ANSWER DOWNLOAD EXAMIANS APP