Electronic Principles
Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit?

Magnetomotive force
Number of lines of force
Flux density
None of these
Reluctance

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

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

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