Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a conductor an insulator a battery None of these a piece of copper wire a conductor an insulator a battery None of these a piece of copper wire ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 0.25 µA None of these 250 µA 300 µA 350 µA 0.25 µA None of these 250 µA 300 µA 350 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? None of these Thermal energy Free electrons Valence electrons Doping None of these Thermal energy Free electrons Valence electrons Doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases None of these is minimum at the resonant frequency always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases None of these is minimum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Lost an electron None of these Gained an electron Lost a proton Gained a proton Lost an electron None of these Gained an electron Lost a proton Gained a proton ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance None of these capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance None of these capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance ANSWER DOWNLOAD EXAMIANS APP
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