Electronic Principles Current is The flow of charged particles through a material The force that causes electrons to flow An imbalance of electrical charges The number of free electrons in an atom None of these The flow of charged particles through a material The force that causes electrons to flow An imbalance of electrical charges The number of free electrons in an atom None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 70.7% of the peak value from zero to its rms value None of these from zero to its peak value from 10% of the peak value to 90% of the peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value None of these from zero to its peak value from 10% of the peak value to 90% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? increases stays the same None of these decreases any of the above increases stays the same None of these decreases any of the above ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? None of these The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency The actual frequency of a sine waveform is 1.41 times the working frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency The actual frequency of a sine waveform is 1.41 times the working frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 170 V None of these 180 V 100 V 120 V 170 V None of these 180 V 100 V 120 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 9 None of these 85 81 6 9 None of these 85 81 ANSWER DOWNLOAD EXAMIANS APP
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