Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Doping Free electrons None of these Thermal energy Valence electrons Doping Free electrons None of these Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 85 None of these 9 6 81 85 None of these 9 6 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 48 14 29 4 None of these 48 14 29 4 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 8 V 3 V None of these 7.5 V 16 V 8 V 3 V None of these 7.5 V 16 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The emitter diode is usually None of these Operating in the breakdwon region Reverse-biased Forward-biased Nonconducting None of these Operating in the breakdwon region Reverse-biased Forward-biased Nonconducting ANSWER DOWNLOAD EXAMIANS APP
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