Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 4 0.25 None of these 180 0.5 4 0.25 None of these 180 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 12 mA None of these 14 mA 11 mA 10 mA 12 mA None of these 14 mA 11 mA 10 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? decreases None of these stays the same any of the above increases decreases None of these stays the same any of the above increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals 0o C -276o C None of these 25o C -273o C 0o C -276o C None of these 25o C -273o C ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Wattmeter Voltmeter Ohmmeter None of these Ammeter Wattmeter Voltmeter Ohmmeter None of these Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point up nowhere None of these off the load line down up nowhere None of these off the load line down ANSWER DOWNLOAD EXAMIANS APP
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