Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell piezoelectric device photodiode nicad cell None of these solar cell piezoelectric device photodiode nicad cell None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of More than 100 k Ohm At least 10 Ohm Less than 100 k Ohm None of these less than 10 Ohm More than 100 k Ohm At least 10 Ohm Less than 100 k Ohm None of these less than 10 Ohm 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? None of these 250 µA 300 µA 350 µA 0.25 µA None of these 250 µA 300 µA 350 µA 0.25 µA 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? Retentivity Permeance Permeability Reluctance There is no valid comparison Retentivity Permeance Permeability Reluctance There is no valid comparison ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a positive charge and a proton has a negative charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has a positive charge An electron has a negative charge and a proton has no charge None of these An electron has a positive charge and a proton has a negative charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has a positive charge An electron has a negative charge and a proton has no charge None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Voltmeter Ammeter Ohmmeter None of these Wattmeter Voltmeter Ammeter Ohmmeter None of these Wattmeter ANSWER DOWNLOAD EXAMIANS APP
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