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World 6 · Equipotential surfaces in space · 7 min · PRO

Lift a charge into space

PRO · Field Lab

World 6: Equipotential surfaces in space 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.

  • Step down and step up
  • The load determines the current
  • Changing flux is essential
  • E, B and the direction of travel
  • Frequency and wavelength: c = fλ
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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