Assignment: You have a resistor connected to a variable power supply. There is an ammeter in series with the resistor and a voltmeter in parallel with the resistor. You turn the variable voltage up and then down while observing the meters. A clock shows elapsed time. Find the resistance of the resistor.

Directions (Computer):
Move the cursor from the right into the grey area of the picture to begin the animation.
Move the cursor back out to the right to stop the animation.
The animation will loop continuously.

Directions (iPad):
Tap inside the picture to start the animation
Drag page down slightly and hold to freeze the picture
Release to continue. The animation will loop continuously.