Electronic Principles A device that converts mechanical into electrical energy is? None of these solar cell generator thermocouple chemical cell None of these solar cell generator thermocouple chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? many Only those produced by thermal energy less than the free electrons None of these Same number as free electrons many Only those produced by thermal energy less than the free electrons None of these Same number as free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: All of these they have the same amplitude and frequency their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time None of these All of these they have the same amplitude and frequency their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? Extrinsic n-type Intrinsic None of these p-type Extrinsic n-type Intrinsic None of these p-type ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 30 Ohm 60 Ohm 754 Ohm 120 Ohm None of these 30 Ohm 60 Ohm 754 Ohm 120 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Wattmeter Ohmmeter Ammeter Voltmeter None of these Wattmeter Ohmmeter Ammeter Voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
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