An approximately critically damped ballistic galvonometer is used to show the effect of magnetic damping on the harmonic motion of a reflected helium-neon laser beam.
Materials:
1. Resistor substitution box
2. 6V battery
3. 7 banana plug wires
4. 2 knife switches
5. Ballistic galvanometer
6. Laser (small, HE-NE)
Location: Room 4-309, Cabinet