Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? None of these Ammeter Wattmeter Ohmmeter Voltmeter None of these Ammeter Wattmeter Ohmmeter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.7V 0.3V None of these 1 V 2 m V per degree Celsius 0.7V 0.3V None of these 1 V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeance Retentivity Reluctance There is no valid comparison Permeability Permeance Retentivity Reluctance There is no valid comparison Permeability ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? 2 None of these -6 -3 2 None of these -6 -3 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 250 µA 0.25 µA 300 µA 350 µA None of these 250 µA 0.25 µA 300 µA 350 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 20 W 100 W 200 W None of these 1000 W 20 W 100 W 200 W None of these 1000 W ANSWER DOWNLOAD EXAMIANS APP
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