Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 60 V 36 V 40 V None of these 0 V 60 V 36 V 40 V None of these 0 V 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? Voltmeter None of these Wattmeter Ohmmeter Ammeter Voltmeter None of these Wattmeter Ohmmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 600 V None of these 0.4 V 4.73 24 V 600 V None of these 0.4 V 4.73 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? None of these 300 mW 200 mW 20 mW 10 mW None of these 300 mW 200 mW 20 mW 10 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor None of these equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor None of these equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: causing an ac phase shift greater than 90 degree None of these changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing dissipating 1 W of power storing 1 V for 1 second causing an ac phase shift greater than 90 degree None of these changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing dissipating 1 W of power storing 1 V for 1 second ANSWER DOWNLOAD EXAMIANS APP
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