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Push Back

Move a magnet near a ring or down a pipe. Predict the push back.

Physics · Class 12 · Lenz's law and eddy currents · 7 simulations. For JEE, NEET and your boards.

A picture of the Push Back simulation

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What you'll learn

  1. Magnet meets ring: Lenz's law: the ring opposes the change
  2. Leave the wire: A loop leaving a long wire
  3. Leave at a slant: Only the motion away counts
  4. Frozen flux: A ring with no resistance freezes its flux
  5. Three pipes: Eddy currents drag a falling magnet
  6. Crawl speed: The top speed in a pipe
  7. Arago's disc: Arago's disc chases the magnet