Designing High School Lenz's Law Experiment

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SUMMARY

The discussion focuses on designing a high school physics experiment to demonstrate Lenz's Law using magnets and copper tubes. The educator plans to drop magnets through long copper tubes to measure the magnetic force and calculate the magnetic field strength without requiring additional equipment. The experiment aims to utilize the principles of electromagnetic induction to illustrate the opposing magnetic fields and their effects on motion.

PREREQUISITES
  • Understanding of Lenz's Law and electromagnetic induction
  • Familiarity with basic physics equations, particularly Fnet calculations
  • Knowledge of measuring distance and time accurately in experiments
  • Experience with experimental design in a classroom setting
NEXT STEPS
  • Research methods for calculating magnetic field strength using Lenz's Law
  • Explore advanced techniques for measuring electromagnetic forces
  • Investigate the use of data logging tools for recording distance and time
  • Learn about the principles of electromagnetic induction in greater detail
USEFUL FOR

High school physics teachers, educators designing hands-on experiments, and students interested in practical applications of electromagnetic principles.

qasabah
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I teach high school physics and I would like to get maximum mileage out of my Lenz's law experiment/demonstration.

I am going to get the students to drop magnets down a long copper tube to calculate the magnetic force using distance, time etc and making a direct calculation using Fnet=...

What I'd also like to be able to do is use this set-up in some way to calculate the magnetic field strength of the magnets.

Can anyone think of a way to achieve this without the addition of a lot of extra equipment?
 
Physics news on Phys.org
See http://www.ndt-ed.org/TeachingResources/NDT_Tips/LenzLaw.htm
 
Thank you. That is a good demonstration.

I am planning to use long copper tunes to show the slowing effect due to the opposing fields and was wondering if I could incorporate this set-up and get to the strength of the magnets through that.
 

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