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 repelled by the north pole of another magnet
that would be attracted to the earth's south magnetic pole
that has its molecules arranged in a random pattern

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Electronic Principles
Which one of the following principles best describes the basic operation of a generator?

Current is induced in a conductor that is moving through a magnetic field
Like magnetic poles attract; unlike poles repel
None of these
Like magnetic poles repel; unlike poles attract
Current flowing through a conductor generates a magnetic field

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Electronic Principles
The peak value of a sine waveform is:

the amplitude at 70.7% of the maximum value
the amplitude at 90% of the maximum value
the maximum positive or negative value
None of these
the amplitude at 1.41 times the maximum value

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