Electronic Principles
If a load resistance is 1 kW, a stiff current source has a resistance of

None of these
Less than 100 k Ohm
At least 10 Ohm
Less than 10 Ohm
More than 100 k Ohm

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Electronic Principles
What is a free electron?

An electron that has been freed from its parent atom
An electron that costs nothing
An electron that has twice the amount of charge of a normal electron
An electron that has no electrical charge
None of these

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