Faraday's laws and electromagnetic induction apparatus
Demonstration setup using Faraday and Lenz's laws: five experiments with a set of rings made of different materials, including Elihu Thomson's experiment.
Apparatus for demonstrating electromagnetic induction in physics lessons. It consists of a main unit with a control panel, a set of rings made of aluminum, copper and plastic (including a split one), a coil with a lamp and a core. Designed for five demonstrations: Elihu Thomson's experiment with ring jumping, comparison of closed, split and non-conducting circuits, the effect of ring material, the dependence of the repulsion force on the height of the ring and non-contact energy transfer with the glow of a lamp.
- 1.Main unit with control panel - 1 pc.
- 2.Aluminum ring No. 1 - 1 pc.
- 3.Aluminum ring No. 2 - 1 pc.
- 4.Aluminum ring No. 3 - 1 pc.
- 5.Aluminum ring No. 4 (split) - 1 pc.
- 6.Aluminum ring No. 5 - 1 pc.
- 7.Copper ring - 1 pc.
- 8.Plastic ring - 1 pc.
- 9.Coil with lamp (ring with enamel wire winding) - 1 pc.
- 10.Coil core (rod) - 3 pcs.
- Inductive repulsion of a conducting ring in an alternating magnetic field (Elihu Thomson's experiment): Faraday and Lenz's laws
- The role of loop closure: comparison of the behavior of closed, split and non-conducting rings
- Influence of ring material: aluminum and copper rings of the same size (difference in conductivity and mass)
- Dependence of the repulsion force and the jump height on the height of the ring (the number of eddy current circuits)
- Contactless energy transfer: lighting a lamp in a coil (Maxwell’s non-conservative induced electric field)
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