Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 88.8 ohm 77.7 ohm 89.3 ohm None of these 224 ohm 88.8 ohm 77.7 ohm 89.3 ohm None of these 224 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping Thermal energy None of these Free electrons Valence electrons Doping Thermal energy None of these Free electrons Valence electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Gained a proton None of these Gained an electron Lost an electron Lost a proton Gained a proton None of these Gained an electron Lost an electron Lost a proton ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? None of these Emit light Regulate voltage Rectify line voltage Amplify weak signals None of these Emit light Regulate voltage Rectify line voltage Amplify weak signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Impossible to say Neutral Weak Strong None of these Impossible to say Neutral Weak Strong None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 13 mA 3.75 mA 0.05 mA 3.2 mA None of these 13 mA 3.75 mA 0.05 mA 3.2 mA None of these ANSWER DOWNLOAD EXAMIANS APP
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