Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA 0.05 mA 3.75 mA None of these 13 mA 3.2 mA 0.05 mA 3.75 mA None of these 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The emitter diode is usually None of these Nonconducting Reverse-biased Operating in the breakdwon region Forward-biased None of these Nonconducting Reverse-biased Operating in the breakdwon region Forward-biased ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 700 V 707 V None of these 651 V 208 V 700 V 707 V None of these 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 1.75 mA 1750 mA 17.5 mA 175 mA None of these 1.75 mA 1750 mA 17.5 mA 175 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the sum of the individual inductance values less than the inductance value of the smallest inductor None of these equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current equal to the sum of the individual inductance values less than the inductance value of the smallest inductor None of these equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current 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? 0.6 A 0.4 A 0.2 A None of these 0.3 A 0.6 A 0.4 A 0.2 A None of these 0.3 A ANSWER DOWNLOAD EXAMIANS APP