Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 350 µA 250 µA 0.25 µA 300 µA None of these 350 µA 250 µA 0.25 µA 300 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Only those produced by thermal energy many Same number as free electrons less than the free electrons None of these Only those produced by thermal energy many Same number as free electrons less than the free electrons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: frequency on the vertical axis and amplitude on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis None of these amplitude on the vertical axis and frequency on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis None of these amplitude on the vertical axis and frequency on the horizontal axis ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.625 W 325 kW 80 W 0.24 W None of these 0.625 W 325 kW 80 W 0.24 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain is contant varies slightly equals the collector current divided by the base current varies enormously None of these is contant varies slightly equals the collector current divided by the base current varies enormously None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency None of these Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency None of these ANSWER DOWNLOAD EXAMIANS APP