Electronic Principles
To get the Thevenin voltage, you have to

Short the voltage source
None of these
Open the load resister
Open the voltage source
Short the load resistor

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Electronic Principles
Which one of the following phrasers best describes flux density?

The opposition to a build-up of magnetic fields
The force that maintains lines of force
None of these
The concentration of lines of magnetic force
The rate of change of the number of lines of magnetic force

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