Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 3 W 122 W None of these 6 W 64 W 3 W 122 W None of these 6 W 64 W 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? 3.75 mA 0.05 mA 13 mA None of these 3.2 mA 3.75 mA 0.05 mA 13 mA None of these 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Weak Impossible to say Neutral Strong None of these Weak Impossible to say Neutral Strong None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RC circuit? The total voltage leads the total current by less than 90 degree The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is equal to 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 leads the total current by less than 90 degree The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is equal to 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 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? 68.4 mA 28.4 mA None of these 34.4 mA 24.2 mA 68.4 mA 28.4 mA None of these 34.4 mA 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? P = IE I = P/E P = E2/R P = I2R None of these P = IE I = P/E P = E2/R P = I2R None of these ANSWER DOWNLOAD EXAMIANS APP
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