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** What is the measure between "A" and "B"? does it change as your turn the knob?
** Record and plot the rotation of the knob and resistance at a few points. Is the relationship between them linear? ("linear" or "expontential" taper)
[[Image:Variable_resistance.png | 300px]] [[Image:Potentiometer_labelled.jpg| 300px]]
* Wire up a simple voltage divider using your potentiometer and a 10K resistor, conected to the 5V supply.
** How does the output voltage vary as you turn the knob? (measure at the point between the potentiometer and the resistor)