Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 170 V 100 V 120 V None of these 180 V 170 V 100 V 120 V None of these 180 V 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 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 None of these The current in an ac circuit flows in two directions at the same time 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 None of these 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 down off the load line up None of these nowhere down off the load line up None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? None of these 34.4 mA 24.2 mA 68.4 mA 28.4 mA None of these 34.4 mA 24.2 mA 68.4 mA 28.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 100 W 1000 W 20 W 200 W None of these 100 W 1000 W 20 W 200 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature None of these Decreases Stays the same 0oC Increases None of these Decreases Stays the same 0oC Increases ANSWER DOWNLOAD EXAMIANS APP
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