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

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

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Electronic Principles
Which one of the following statements is true for resistance in a parallel circuit?

The total resistance is equal to the sum of the individual resistances in a parallel circuit.
The total resistance of a parallel circuit is always less than the value of the smallest resistance
None of these
The total resistance of a parallel circuit is equal to the total voltage
The total resistance in a parallel circuit is equal to the average value of the individual resistances

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Electronic Principles
What is a negative ion?

An atom that contains more electrons than protons
None of these
An atom that contains more electrons than neutrons
An atom that contains more protons than neutrons
An atom that contains more protons than electrons

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Electronic Principles
Waveforms are graphs that show:

amplitude on the vertical axis and the passage of time on the horizontal axis
the passage of time on the vertical axis and amplitude on the horizontal axis
frequency on the vertical axis and amplitude on the horizontal axis
amplitude on the vertical axis and frequency on the horizontal axis
None of these

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