5K20.26 - Lenz's Law - Repulsion Rings

Code Number:
Demo Title:
Lenz's Law - Repulsion Rings
Lenz's Law, Induction
Area of Study:
Electricity & Magnetism
Suspended Aluminum Rings and Magnets.

Suspend the chosen aluminum ring. Insert the magnet into the ring. The solid ring will be move away from the magnet, while the broken ring will show not effect.

  • Roberto Hessel, "More on Faraday's and Lenz's Laws - Qualitative Demonstrations", TPT, Vol. 49, # 3, March 2011, p. 184.
  • Chang Geng Zhang and Shi Feng Hu, "Another Way to Demonstrate Lenz's Law", TPT, Vol. 40, #4, Apr. 2002, p. 249.
  • Don Kangas and Haym Kruglak, "Lenz's Law Demonstration", TPT, Vol. 27, #1, Jan. 1989, p. 50.
  • Thomas D. Miner, "Lenz's Law Demonstration", TPT, Vol. 6, #8, Nov. 1968, p. 427.
  • Robert Ehrlich, "N.3. Pumping a Hanging Coil With a Magnet", Turning the World Inside Out and 174 Other Simple Physics Demonstrations, p. 165 - 166.

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