Electronic Principles Doubling the operating frequency of a purely capacitive circuit: cuts the total current by one-half doubles the amount of total current has no effect on the total circuit current None of these thrice the amount of total current cuts the total current by one-half doubles the amount of total current has no effect on the total circuit current None of these thrice the amount of total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping None of these Free electrons Valence electrons Thermal energy Doping None of these Free electrons Valence electrons Thermal energy 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? 1750 mA 1.75 mA None of these 175 mA 17.5 mA 1750 mA 1.75 mA None of these 175 mA 17.5 mA 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 410 Ohm 400 Ohm 550 Ohm None of these 310 Ohm 410 Ohm 400 Ohm 550 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? Silicon None of these All of these Germanium Copper Silicon None of these All of these Germanium Copper ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell electric device thermocouple None of these chemical cell solar cell electric device thermocouple None of these chemical cell ANSWER DOWNLOAD EXAMIANS APP
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