Electronic Principles What causes the depletion layer? Doping None of these Ions Barrier potential Recombination Doping None of these Ions Barrier potential Recombination ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 20 A None of these 0.20833333333333 50 A 20 A None of these 0.20833333333333 50 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the frequency of the applied voltage increasing the area of the plates None of these decreasing the area of the plates increasing the voltage applied to the plates increasing the frequency of the applied voltage increasing the area of the plates None of these decreasing the area of the plates increasing the voltage applied to the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: cuts the capacitive reactance in half doubles the amount of a capacitive reactance multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance None of these cuts the capacitive reactance in half doubles the amount of a capacitive reactance multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 20 W None of these 1000 W 200 W 100 W 20 W None of these 1000 W 200 W 100 W 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 two directions at the same time None of these The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in two directions at the same time None of these The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in one direction at a steady level ANSWER DOWNLOAD EXAMIANS APP
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