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 at a steady level The current in an ac circuit flows in one direction, but changes value periodically 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 at a steady level The current in an ac circuit flows in one direction, but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point nowhere None of these off the load line down up nowhere None of these off the load line down up ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 150 ohm None of these 445 ohm 220 ohm 690 ohm 150 ohm None of these 445 ohm 220 ohm 690 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? -3 2 -6 None of these -3 2 -6 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current None of these equal to the sum of the individual inductance values less than the inductance value of the smallest inductor equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current None of these equal to the sum of the individual inductance values less than the inductance value of the smallest inductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? thermocouple chemical cell solar cell generator None of these thermocouple chemical cell solar cell generator None of these ANSWER DOWNLOAD EXAMIANS APP
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