Electronic Principles
Thevenin theorem replaces a complicated circuit facing a load by an

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

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Electronic Principles
Which one of the following statements applies to common, non-rechargeable flashlight batteries?

Common flashlight batteries are secondary dry-cell batteries
Common flashlight batteries are secondary wet-cell batteries
Common flashlight batteries are primary wet-cell batteries
Common flashlight batteries are primary dry-cell batteries
None of these

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Electronic Principles
Doubling the operating frequency of a purely inductive circuit:

increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
doubles the amount of current through the inductors
has no effect on the current through the inductors
None of these
cuts the current through the inductors one-half

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