Electronic Principles
What is a free electron?

An electron that has been freed from its parent atom
An electron that has twice the amount of charge of a normal electron
An electron that costs nothing
None of these
An electron that has no electrical charge

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

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

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Electronic Principles
The peak value of a sine waveform is:

None of these
the maximum positive or negative value
the amplitude at 70.7% of the maximum value
the amplitude at 90% of the maximum value
the amplitude at 1.41 times the maximum value

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