Electronic Principles
Which one of the following kinds of materials has the lowest permeability?

None of these
A paramagnetic material
A feiTomagnetic material
A diamagnetic material
All of these

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Electronic Principles
Waveforms are graphs that show:

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

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