Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 300 mA None of these 200 mA 208 mA 7.8 mA 300 mA None of these 200 mA 208 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Ions Barrier potential None of these Recombination Doping Ions Barrier potential None of these Recombination Doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 0.083333333333333 None of these 2 mA 200 A 0.5 mA 0.083333333333333 None of these 2 mA 200 A 0.5 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals 0o C -273o C -276o C 25o C None of these 0o C -273o C -276o C 25o C None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or less 20 k Ohm or more 20 km or less None of these 200 k Ohm or more 200 k Ohm or less 20 k Ohm or more 20 km or less None of these 200 k Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: photo transistor None of these thermocouple solar cell photodiode photo transistor None of these thermocouple solar cell photodiode ANSWER DOWNLOAD EXAMIANS APP
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