Electronic Principles
Waveforms are graphs that show:

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

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Electronic Principles
The dielectric constant of a material is a measure of:

the amount of opposition to the current flow
the amount of voltage it can withstand before breaking down
how well the material concentrates magnetic lines of force
None of these
how well the material concentrates electrostatic lines of force

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Electronic Principles
Which one of the following statements most accurately applies to the frequency of a waveform?

The higher the amplitude of a waveform, the higher its frequency
The longer the period of a waveform, the lower its frequency
Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz
None of these
The actual frequency of a sine waveform is 1.41 times the working frequency

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