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

None of these
692.2 Ohm
3890 Ohm
844.5 Ohm
1234 Ohm

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

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

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

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Electronic Principles
What is the difference between a conductor and an insulator?

The difference between conductors and insulators depends on how they are used
A conductor allows current to flow much easier than an insulator does
An insulator allows current to flow much easier than a conductor does
None of these
An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all

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