F = q(E + v×B) combines electric acceleration with magnetic deflection. The cross product makes motion spiral in uniform B fields.
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Open equation pageHow charged particles curve in electric and magnetic fields — from auroras to particle accelerators.
7 min read · 2026-06-11
F = q(E + v×B) combines electric acceleration with magnetic deflection. The cross product makes motion spiral in uniform B fields.
Explore interactively
Open equation page