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* fields act upon particles | * fields act upon particles | ||
* Lorentz force: force due to electromagnetic field | * Lorentz force: force due to electromagnetic field | ||
* electric force: same direction as electric field | * '''electric force: same direction as electric field | ||
* magnetic force: perpendicular both to magnetic field and to velocity of charge | * magnetic force: perpendicular both to magnetic field and to velocity of charge''' | ||
* particles move | * particles move | ||
* current is movement of particles | * current is movement of particles |