Electronic Principles
A device that converts chemical energy to electrical energy is called a:

None of these
solar cell
chemical cell
thermocouple
electric device

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Electronic Principles
The rms value of a sine waveform is:

equal to 1.41 times the peak amplitude
the number of cycles completed in one second
equal to 0.707 times the peak amplitude
the time required to complete one full cycle
None of these

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Electronic Principles
Which one of the following statements is true for the currents in a series RC circuit?

None of these
The total current is equal to the sum of the currents for the resistance and capacitance
The current always has the same amplitude and phase for every part of the circuit
The total current is greater than the sum of the currents for the resistance and capacitance
The total current is less than the sum of the currents for the resistance and capacitance

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Electronic Principles
Molecule is

A atom that flows whenever there is an imbalance of electrical charges between two points
A atom that has a shortage of electrons in its outer orbit
The smallest particle of a substance that retains the properties of that substance
None of these
A atom that has an excessive number of electrons in its outer orbit

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