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

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

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Electronic Principles
Which one of the following statements is true?

None of these
All of these
Power dissipation of a pure capacitor increases with operating frequency
There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency
Power dissipation of a pure capacitor decreases with operating frequency

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Electronic Principles
Which one of the following principles best describes the basic operation of an electromagnet?

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

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