Electronic Principles Who invented the first junction transistor? Gomes Smith Shockley None of these Fisher Gomes Smith Shockley None of these Fisher ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping Thermal energy Free electrons Valence electrons None of these Doping Thermal energy Free electrons Valence electrons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 170 V 120 V 100 V 180 V None of these 170 V 120 V 100 V 180 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? None of these 0.3 A 0.6 A 0.2 A 0.4 A None of these 0.3 A 0.6 A 0.2 A 0.4 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 550 Ohm 400 Ohm None of these 410 Ohm 310 Ohm 550 Ohm 400 Ohm None of these 410 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? Linear Unipolar None of these Bilateral Nonlinear Linear Unipolar None of these Bilateral Nonlinear ANSWER DOWNLOAD EXAMIANS APP
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