Electronic Principles A device that converts light energy to electrical energy is called a: photodiode solar cell None of these thermocouple photo transistor photodiode solar cell None of these thermocouple photo transistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 24 V 30 V 18 V 12 V None of these 24 V 30 V 18 V 12 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? None of these 0.25 180 4 0.5 None of these 0.25 180 4 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? decreases any of the above stays the same None of these increases decreases any of the above stays the same None of these increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? Nonlinear Bilateral Linear Unipolar None of these Nonlinear Bilateral Linear Unipolar None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes lower-frequency signals and reduces higher-frequency signals None of these has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals None of these has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount ANSWER DOWNLOAD EXAMIANS APP