UBC PHAS Demonstration Room Catalog

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====== Levitating Magnet Over A Spinning Disc======

{{tag> eddy_currents lenz levitation untagged located}}

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{{spin_levitate.jpg?400|}}
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===== 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 =====




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<WRAP centeralign> // Demo room information // 
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| **Location** | P2 |
| **Maker** | Unknown |
| **Current State** | Working |
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UBC PHAS Demonstration Room Catalog

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