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? 28.4 mA 68.4 mA 24.2 mA None of these 34.4 mA 28.4 mA 68.4 mA 24.2 mA None of these 34.4 mA 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? I = P/E P = PR None of these R = E2/P P = E2/R I = P/E P = PR None of these R = E2/P P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RC circuit? The total voltage is equal to the sum of the voltages across the resistance and capacitance The total voltage is greater than the sum of the voltages across the resistance and capacitance The total voltage is less than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit None of these The total voltage is equal to the sum of the voltages across the resistance and capacitance The total voltage is greater than the sum of the voltages across the resistance and capacitance The total voltage is less than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that would be attracted to the earth's north magnetic pole that would be repelled by the south pole of another magnet None of these that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be attracted to the earth's north magnetic pole that would be repelled by the south pole of another magnet None of these that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping Thermal energy None of these Free electrons Valence electrons Doping Thermal energy None of these Free electrons Valence electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the base supply voltage increases, the Q point moves off the load line down nowhere None of these up off the load line down nowhere None of these up ANSWER DOWNLOAD EXAMIANS APP
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