====== Locked Ring ====== {{tag>ring magnetism spin lenz faraday untagged located}} {{Locked_Ring.png?400|}} // // ===== Description ===== When the yoke magnet is rotated, the non-magnetic brass ring appears locked and spins with the motion of the magnet. The yoke magnet is supported by a ring of ball bearings between the white and red plate, which allows the magnet to spin in the vertical axis. ===== Purpose ===== This is a demonstration for Faraday's and Lenz's Laws. The ring moves to resist the change in flux that is caused by rotating the magnet. ===== Apparatus ===== ===== Setup ===== Ensure that the ring is relatively centred within the yoke magnet by moving the thread and adjusting its length if necessary. ===== Notes ===== // Demo room information // | **Location** | OPQ0 | | **Maker** | Unknown | | **Current State** | Working |