Electronic Principles
A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff?

10 k Ohm
None of these
1 k Ohm
2 k Ohm
20 k Ohm

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

that would be repelled by the south pole of another magnet
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 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
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
All of these

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