Electronic Principles The merging of a free electron and a hole is called Recombination Lifetime Thermal energy None of these Covalent bonding Recombination Lifetime Thermal energy None of these Covalent bonding ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? None of these Doping Free electrons Thermal energy Valence electrons None of these Doping Free electrons Thermal energy Valence electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? None of these 7.8 µA 10.3 µA 7.75 µA 14.8 µA None of these 7.8 µA 10.3 µA 7.75 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has A small internal resistance Zero internal resistance A large internal resistance Infinite internal resistance None of these A small internal resistance Zero internal resistance A large internal resistance Infinite internal resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? None of these Nicad battery Lead-acid battery Zinc-carbon battery Mercury-cell battery None of these Nicad battery Lead-acid battery Zinc-carbon battery Mercury-cell battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the maximum positive or negative value None of these the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the maximum positive or negative value None of these the amplitude at 1.41 times the maximum value ANSWER DOWNLOAD EXAMIANS APP
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