====== Levitating Magnet Over A Spinning Disc======
{{tag> eddy_currents lenz levitation untagged located}}
{{spin_levitate.jpg?400|}}
===== Description =====
A magnet attached to a plastic strip resting on a metal plate that spins on a DC motor.
===== Purpose =====
Show Lenz's law, particularly that the induced current opposes a change in flux.
===== Apparatus =====
* [[demonstrations:9_equipment:power_supplies:120w_power_supply:start | 120W Power Supply]]
* Banana wires
===== Setup =====
Plug the apparatus into the power supply and slowly increase the power/speed until the magnet levitates above the disc.
===== Notes =====
// Demo room information //
| **Location** | P2 |
| **Maker** | Unknown |
| **Current State** | Working |