Skip to content
World 2 · Electric fields · 6 min · PRO

Forces on a test charge

F = qE

PRO · Field Lab

World 2: Electric fields 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.

  • Charge and Coulomb's law
  • Field lines and superposition
  • The zero-field point
  • Potential and equipotentials
  • Oersted's discovery
PRO includes
  • All 26 labs — every world, every lesson
  • Practice exams and certificates

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

Report a mistake

What is wrong?
0 / 2000 · at least 10 characters
Sent along with your report
  • Page
  • About Forces on a test charge — Field Lab · fields/test-charge-forces
Plus your browser type. Reports go to our support system; see the privacy notice.