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 None of these 24.2 mA 28.4 mA 68.4 mA 34.4 mA None of these 24.2 mA 28.4 mA 68.4 mA 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? None of these 10.3 µA 14.8 µA 7.75 µA 7.8 µA None of these 10.3 µA 14.8 µA 7.75 µA 7.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from negative to positive None of these from positive to negative from left to right from neutral to positive from negative to positive None of these from positive to negative from left to right from neutral to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the base supply voltage increases, the Q point moves down nowhere None of these up off the load line down nowhere None of these up off the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: equal to 0.707 times the peak amplitude None of these equal to 1.41 times the peak amplitude the time required to complete one full cycle the number of cycles completed in one second equal to 0.707 times the peak amplitude None of these equal to 1.41 times the peak amplitude the time required to complete one full cycle the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? P = PR P = E2/R None of these R = E2/P I = P/E P = PR P = E2/R None of these R = E2/P I = P/E ANSWER DOWNLOAD EXAMIANS APP
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