Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 651 V 707 V 700 V None of these 208 V 651 V 707 V 700 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? P = E2/R R = E2/P I = P/E None of these P = PR P = E2/R R = E2/P I = P/E None of these P = PR ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: less than the value of the smallest capacitor equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values None of these equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values None of these equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the base supply voltage increases, the Q point moves off the load line up nowhere None of these down off the load line up nowhere None of these down ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Ammeter Voltmeter None of these Wattmeter Ohmmeter Ammeter Voltmeter None of these Wattmeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 9 81 85 None of these 6 9 81 85 None of these ANSWER DOWNLOAD EXAMIANS APP
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