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