Electronic Principles In a pure inductor: ac current and voltage are exactly in phase None of these ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point None of these off the load line down nowhere up None of these off the load line down nowhere up ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: No more than 10% less than the primary current Twice the primary current None of these Same as the primary current One-half the primary current No more than 10% less than the primary current Twice the primary current None of these Same as the primary current One-half the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? P = E2/R R = E2/P I = P/E P = PR None of these P = E2/R R = E2/P I = P/E P = PR None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance has no effect on the inductive reactance None of these cuts the inductive reactance in half multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance has no effect on the inductive reactance None of these cuts the inductive reactance in half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RC circuit? The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage leads the total current by less than 90 degree The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage leads the total current by less than 90 degree ANSWER DOWNLOAD EXAMIANS APP
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