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

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
that has its molecules arranged in a random pattern
that would be attracted to the earths north magnetic pole

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Electronic Principles
The peak value of a sine waveform is:

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

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

The total voltage in a parallel circuit is equal to the average value of the individual voltages
The total voltage of a parallel circuit is the same as the voltages across each branch
None of these
The total voltage in a parallel circuit is always less than the value of the smallest voltage
The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit

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