Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 200 W 1000 W 100 W 20 W None of these 200 W 1000 W 100 W 20 W None of these 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 None of these The current in an ac circuit flows in one direction at a steady level The current in an ac circuit changes direction periodically 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 flows in one direction at a steady level The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 100 V 180 V 170 V None of these 120 V 100 V 180 V 170 V None of these 120 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? less than the free electrons many Same number as free electrons None of these Only those produced by thermal energy less than the free electrons many Same number as free electrons None of these Only those produced by thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ohmmeter None of these Voltmeter Ammeter Wattmeter Ohmmeter None of these Voltmeter Ammeter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: 1 k ohm one-millionth of an ohm None of these one million ohms 100,000 ohm 1 k ohm one-millionth of an ohm None of these one million ohms 100,000 ohm ANSWER DOWNLOAD EXAMIANS APP