Electronic Principles
What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W?

3890 Ohm
692.2 Ohm
844.5 Ohm
1234 Ohm
None of these

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Electronic Principles
The rms value of a sine waveform is:

equal to 1.41 times the peak amplitude
the number of cycles completed in one second
None of these
the time required to complete one full cycle
equal to 0.707 times the peak amplitude

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

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

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