Electronic Principles The peak value of a sine waveform is: None of these the maximum positive or negative value the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value None of these the maximum positive or negative value the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has no electrical charge An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that costs nothing None of these An electron that has no electrical charge An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that costs nothing None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA None of these 10.3 µA 14.8 µA 7.8 µA 7.75 µA None of these 10.3 µA 14.8 µA 7.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? stays the same None of these decreases increases any of the above stays the same None of these decreases increases any of the above ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: purely resistive circuit None of these series RLC circuit operated above its resonant frequency series RL circuit series RC circuit purely resistive circuit None of these series RLC circuit operated above its resonant frequency series RL circuit series RC circuit 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? 180 0.25 4 0.5 None of these 180 0.25 4 0.5 None of these ANSWER DOWNLOAD EXAMIANS APP
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