- #1
Davidmb19
- 21
- 0
What is the actual explanation for the last demonstration, for why the ring rises up?
What Causes the Ring to Rise in Faraday's and Lenz's Law Demonstration?
- Context: Undergrad
- Thread starter Davidmb19
- Start date
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- Tags
- Law Lenz's law
Click For Summary
Discussion Overview
The discussion centers around the explanation for the phenomenon observed in the demonstration of Faraday's and Lenz's laws, specifically regarding why a ring made of aluminum foil rises when subjected to a magnetic field. The scope includes theoretical understanding and conceptual clarification of electromagnetic induction principles.
Discussion Character
- Exploratory, Technical explanation, Conceptual clarification
Main Points Raised
- Some participants suggest that the aluminum foil rises due to the induced current and magnetic field being aligned with the larger ring, leading to an attractive force between their magnetic fields.
- Others note that the high resistance of the aluminum foil prevents it from being repulsed by the coil when it is placed alone on it.
Areas of Agreement / Disagreement
Participants express similar viewpoints regarding the mechanism behind the rising of the aluminum foil, but there is no explicit consensus on the complete explanation or any further details.
Contextual Notes
Some assumptions regarding the behavior of induced currents and magnetic fields are not fully explored, and the discussion does not address potential variations in experimental setup or conditions.
What is the actual explanation for the last demonstration, for why the ring rises up?
- #2
- 19,911
- 10,925
Thanks for the post! Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
- #3
elegysix
- 404
- 15
The aluminum foil rises because the induced current and magnetic field are in the same direction as the larger ring. This means they are attracted because their magnetic fields align. However, the resistance is high enough that it is not repulsed by the coil when it is on there alone.
- #4
Davidmb19
- 21
- 0
Ahhhh! I should have known.Thank you.elegysix said:
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