Electronic Principles Current is The number of free electrons in an atom An imbalance of electrical charges The force that causes electrons to flow The flow of charged particles through a material None of these The number of free electrons in an atom An imbalance of electrical charges The force that causes electrons to flow The flow of charged particles through a material None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: solar cells chemical cells piezoeletric cells voltage generators None of these solar cells chemical cells piezoeletric cells voltage generators None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the maximum positive or negative value None of these the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value the maximum positive or negative value None of these the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms are both ac or both dc All of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency None of these their waveforms are both ac or both dc All of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: thermocouple None of these electric device chemical cell solar cell thermocouple None of these electric device chemical cell solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: generators oscillators None of these lightning batteries generators oscillators None of these lightning batteries ANSWER DOWNLOAD EXAMIANS APP
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