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Magnet Falling Through Tubes and Pipes – HSC Physics

 

This is part of the HSC Physics course under the topic Electromagnetic Induction.

HSC Physics Syllabus

  • analyse qualitatively and quantitatively, with reference to energy transfers and transformations, examples of Faraday's Law and Lenz's Law `\varepsilon = -N (∆\phi)/(∆t)`, including but not limited to: (ACSPH081, ACSPH110)

– the generation of an electromotive force (emf) and evidence for Lenz's Law produced by the relative movement between a magnet, straight conductors, metal plates and solenoids

– the generation of an emf produced by the relative movement or changes in current in one solenoid in the vicinity of another solenoid

Investigating Electromagnetic Induction

The following video discusses a common experiment and exam question that demonstrates Faraday's and Lenz's law. The experiment involves dropping a magnet through a copper tube, a copper tube with vertical slit and a plastic tube, and measuring the time taken for the magnet to exit the tube.

 

 

 

 

RETURN TO MODULE 6: ELECTROMAGNETISM