Electronic Principles
Norton's theorem replaces a complicated circuit facing a load by an

Ideal current source and parallel resistor
None of these
Ideal current source and series resistor
Ideal voltage source and series resistor
Ideal voltage source and parallel resistor

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Electronic Principles
Which one of the following principles best describes the basic operation of a generator?

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

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Electronic Principles
The total inductive reactance of a parallel inductor circuit is:

None of these
equal to the sum of the individual inductance values
less than the inductance value of the smallest inductor
equal to the sum of the individual inductive-reactance values
equal to the source voltage divided by total current

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Electronic Principles
A low-pass filter:

passes lower-frequency signals and reduces higher-frequency signals
has no effect on ac signals
reduces the level of all frequencies by a significant amount
passes higher-frequency signals and reduces lower-frequency signals
None of these

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Electronic Principles
Which one of the following statements applies to common auto batteries?

Auto batteries are secondary dry-cell batteries
Auto batteries are primary dry-cell batteries
None of these
Auto batteries are primary wet-cell batteries
Auto batteries are secondary wet-cell batteries

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