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 700 V 707 V 651 V None of these 208 V 700 V 707 V 651 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.625 W None of these 80 W 0.24 W 325 kW 0.625 W None of these 80 W 0.24 W 325 kW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 13 mA 0.05 mA 3.75 mA 3.2 mA None of these 13 mA 0.05 mA 3.75 mA 3.2 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? None of these 18.2 mA 55 A 16.3 mA 55.86 A None of these 18.2 mA 55 A 16.3 mA 55.86 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? None of these 3 V 16 V 8 V 7.5 V None of these 3 V 16 V 8 V 7.5 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Wattmeter None of these Voltmeter Ammeter Ohmmeter Wattmeter None of these Voltmeter Ammeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
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