Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 20 W 100 W 1000 W None of these 200 W 20 W 100 W 1000 W None of these 200 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 kV is: 1.00 V 1000 mV 100 mV None of these 1000 V 1.00 V 1000 mV 100 mV None of these 1000 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature None of these Stays the same Increases Decreases 0oC None of these Stays the same Increases Decreases 0oC ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? None of these The current in an ac circuit flows in two directions at the same time 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 changes direction periodically None of these The current in an ac circuit flows in two directions at the same time 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 changes direction periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: None of these equal to the sun of the individual capacitive-reactance values less than the value of the smallest capacitor equal to the source voltage divided by total current equal to the sum of the individual capacitance values None of these equal to the sun of the individual capacitive-reactance values less than the value of the smallest capacitor equal to the source voltage divided by total current equal to the sum of the individual capacitance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.25 0.5 None of these 180 4 0.25 0.5 None of these 180 4 ANSWER DOWNLOAD EXAMIANS APP
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