Electronic Principles Which is the most widely used semiconductor? Copper Germanium None of these All of these Silicon Copper Germanium None of these All of these Silicon 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? 24.2 mA None of these 34.4 mA 68.4 mA 28.4 mA 24.2 mA None of these 34.4 mA 68.4 mA 28.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary dry-cell batteries None of these Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary dry-cell batteries None of these Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are primary wet-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 2 k Ohm 20 k Ohm 1 k Ohm 10 k Ohm None of these 2 k Ohm 20 k Ohm 1 k Ohm 10 k Ohm None of these 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? 24 V 12 V 30 V None of these 18 V 24 V 12 V 30 V None of these 18 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 85 6 9 None of these 81 85 6 9 None of these ANSWER DOWNLOAD EXAMIANS APP