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MIT Physics 8.02 - Electricity & Magnetism

SECTION :    Electrostatics      

SUBJECT: The Force on a Charge Moving Through an Electric Field  

These animations show the field and force on a point charge as it moves from a region with no external electric field to a region with a constant electric field (the field points upwards, or out of the screen in the top view). As indicated by the arrow, the particle feels no force while in the empty region, but feels a constant upwards force for the entire time it spends in the region of constant external field. Note that unlike the case of a particle moving through a magnetic field, the force felt by the particle in an electric field is not proportional to its velocity.




640x480 version (perspective view)
640x480 version (top view)