Electromagnetism

Lorentz Force

A charge circles in a magnetic field

  • High school
  • about 4 min
  • 3 of 4 in the family
Not started
××××××××××××××××××××××××××××××××××××××××××××××××B ⊗ 1.0+

Parameters (B points into the screen)

r=\ racmv∣q∣B,F=∣q∣vBr = \ rac{mv}{|q|B}, \quad F = |q|vB

• The force is always perpendicular to velocity -> circular path • Opposite charge circles the opposite way • q = 0: no force, the particle flies straight • Stronger field -> smaller radius