Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 34.4 mA 68.4 mA 28.4 mA None of these 24.2 mA 34.4 mA 68.4 mA 28.4 mA None of these 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? -3 2 -6 None of these -3 2 -6 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: doubles the amount of total current cuts the total current by one-half None of these has no effect on the total circuit current thrice the amount of total current doubles the amount of total current cuts the total current by one-half None of these has no effect on the total circuit current thrice the amount of total current 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? 0.05 mA 3.2 mA 13 mA 3.75 mA None of these 0.05 mA 3.2 mA 13 mA 3.75 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically The voltage remains at one polarity and at a steady level None of these The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically The voltage remains at one polarity and at a steady level None of these The voltage causes current to flow in two directions at the same time ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? increases decreases stays the same None of these any of the above increases decreases stays the same None of these any of the above ANSWER DOWNLOAD EXAMIANS APP
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