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World 4 · Induction · 6 min · PRO

No change, no EMF

Big flux is not enough

PRO · Field Lab

World 4: Induction is part of PRO

The first world of Field Lab is free. PRO opens the other 29 lessons in 7 worlds — simulations, quizzes and all.

  • Faraday's discovery
  • Flux and Faraday's law
  • Lenz's law
  • Reversing the EMF
  • Force on a current
PRO includes
  • All 26 labs — every world, every lesson
  • Practice exams and certificates

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly

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