Electronic Principles Holes act like: Positive charges Crystals Atoms Negative charges None of these Positive charges Crystals Atoms Negative charges None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Doping Barrier potential Ions None of these Recombination Doping Barrier potential Ions None of these Recombination ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 18 V None of these 30 V 24 V 12 V 18 V None of these 30 V 24 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: multiplies the inductive reactance by 6.28 cuts the inductive reactance in half None of these has no effect on the inductive reactance doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 cuts the inductive reactance in half None of these has no effect on the inductive reactance doubles the amount of inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is greater than the sum of the currents for the resistance and capacitance None of these The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is greater than the sum of the currents for the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? None of these 40 V 0 V 36 V 60 V None of these 40 V 0 V 36 V 60 V ANSWER DOWNLOAD EXAMIANS APP
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