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

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

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Electronic Principles
The total impedance of a parallel RLC circuit:

None of these
is equal to the sum of the values of resistance, inductive reactance and capacitive reactance
always decreases as the applied frequency increases
always increases as the applied frequency increases
is maximum at the resonant frequency

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