Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 20 mW None of these 200 mW 300 mW 10 mW 20 mW None of these 200 mW 300 mW 10 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the sum of the individual inductive-reactance values None of these equal to the source voltage divided by total current less than the inductance value of the smallest inductor equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values None of these equal to the source voltage divided by total current less than the inductance value of the smallest inductor equal to the sum of the individual inductance values 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? R = E2/P None of these I = P/E P = PR P = E2/R R = E2/P None of these I = P/E P = PR P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 220 ohm 150 ohm 445 ohm None of these 690 ohm 220 ohm 150 ohm 445 ohm None of these 690 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.2 A None of these 0.4 A 0.3 A 0.6 A 0.2 A None of these 0.4 A 0.3 A 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 18.8 V 20 V None of these 10.17 V 0.17 V 18.8 V 20 V None of these 10.17 V 0.17 V ANSWER DOWNLOAD EXAMIANS APP
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