Electronic Principles The merging of a free electron and a hole is called Thermal energy Covalent bonding None of these Lifetime Recombination Thermal energy Covalent bonding None of these Lifetime Recombination ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 120 V 170 V 100 V None of these 180 V 120 V 170 V 100 V None of these 180 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? None of these Doping Recombination Ions Barrier potential None of these Doping Recombination Ions Barrier potential ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RC circuit parallel RL circuit purely resistive circuit None of these parallel RLC circuit operated above its resonant frequency parallel RC circuit parallel RL circuit purely resistive circuit None of these parallel RLC circuit operated above its resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.5 4 0.25 None of these 180 0.5 4 0.25 None of these 180 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? None of these The current in an ac circuit changes direction periodically The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically None of these The current in an ac circuit changes direction periodically The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
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