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

that would be attracted to the earth's south magnetic pole
None of these
that would be attracted to the earth's north magnetic pole
that would be repelled by the south pole of another magnet
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?

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

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Electronic Principles
Which one of the following statements is true for the voltages in a series RC circuit?

The total voltage is less than the sum of the voltages across the resistance and capacitance
The total voltage is greater than the sum of the voltages across the resistance and capacitance
None of these
The voltage always has the same amplitude and phase for every part of the circuit
The total voltage is equal to the sum of the voltages across the resistance and capacitance

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

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