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

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

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Electronic Principles
A farad is defined as the amount of capacitance necessary for:

changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing
dissipating 1 W of power
None of these
storing 1 V for 1 second
causing an ac phase shift greater than 90 degree

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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
the passage of time on the vertical axis and amplitude 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

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Electronic Principles
What is the difference between a conductor and an insulator?

An insulator allows current to flow much easier than a conductor does
The difference between conductors and insulators depends on how they are used
A conductor allows current to flow much easier than an insulator does
None of these
An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all

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