Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons None of these Thermal energy Free electrons Doping Valence electrons None of these Thermal energy Free electrons Doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 100 V None of these 180 V 170 V 120 V 100 V None of these 180 V 170 V 120 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: solar cells voltage generators chemical cells piezoeletric cells None of these solar cells voltage generators chemical cells piezoeletric cells None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: None of these cuts the current through the inductors one-half doubles the amount of current through the inductors has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these cuts the current through the inductors one-half doubles the amount of current through the inductors has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit ANSWER DOWNLOAD EXAMIANS APP
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 7.8 mA None of these 208 mA 200 mA 300 mA 7.8 mA None of these 208 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for current is the: None of these ohm volt ampere watt None of these ohm volt ampere watt ANSWER DOWNLOAD EXAMIANS APP
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