Electronic Principles The knee voltage of a diode is approximately equal to the Forward voltage Applied voltage Breakdown voltage None of these Barrier potential Forward voltage Applied voltage Breakdown voltage None of these Barrier potential ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 310 Ohm 550 Ohm 410 Ohm 400 Ohm None of these 310 Ohm 550 Ohm 410 Ohm 400 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 0.25 µA 350 µA 300 µA None of these 250 µA 0.25 µA 350 µA 300 µA None of these 250 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 12 V 24 V None of these 18 V 30 V 12 V 24 V None of these 18 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a None of these Semiconductor Crystal Valence orbit Covalent bond None of these Semiconductor Crystal Valence orbit Covalent bond ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has None of these many free electrons many holes No holes a few free electrons and holes None of these many free electrons many holes No holes a few free electrons and holes ANSWER DOWNLOAD EXAMIANS APP
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