Electronic Principles
What is a free electron?

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

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Electronic Principles
The south pole of a magnet is the one:

that would be attracted to the earths north magnetic pole
None of these
that has its molecules arranged in a random pattern
that would be repelled by the north pole of another magnet
that would be attracted to the earth's south magnetic pole

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