Electronic Principles
Waveforms are graphs that show:

amplitude on the vertical axis and the passage of time on the horizontal axis
None of these
the passage of time on the vertical axis and amplitude on the horizontal axis
amplitude on the vertical axis and frequency on the horizontal axis
frequency on the vertical axis and amplitude on the horizontal axis

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Electronic Principles
Molecule is

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

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