Electronic Principles What causes the depletion layer? Recombination None of these Ions Doping Barrier potential Recombination None of these Ions Doping Barrier potential ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in one direction, but changes value periodically 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 None of these The current in an ac circuit flows in one direction, but changes value periodically 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a series RLC circuit has the characteristics of a: series RC circuit None of these series RLC circuit operated below its resonant frequency series RL circuit purely resistive circuit series RC circuit None of these series RLC circuit operated below its resonant frequency series RL circuit purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? 444 Ohm None of these 628 Ohm 100 Ohm Less than 1 Ohm 444 Ohm None of these 628 Ohm 100 Ohm Less than 1 Ohm 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? 0.5 180 0.25 4 None of these 0.5 180 0.25 4 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor of magnetic fields a poor conductor of electrostatic fields a good conductor None of these a good insulator a good conductor of magnetic fields a poor conductor of electrostatic fields a good conductor None of these a good insulator ANSWER DOWNLOAD EXAMIANS APP
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