Electronic Principles
Reducing the amount of current through an inductor:

has no effect on the inductance
None of these
multiplies the value of inductance by two
reduces the value of inductance by one-half
multiplies the value of inductance by four

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

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

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