Radiation: Caterpillar becomes Butterfly
The electric field of a charged particle at rest has two key properties: (i) It decreases as (1/r 2) where r is the distance from the charged particle. (ii) It is directed radially outward from the position of the charged particle. Given the Coulomb field of a charge at rest, one can find the field of a charge moving with uniform velocity by a Lorentz transformation.
KeywordsCharged Particle Rest Frame Lorentz Transformation Instantaneous Position Uniform Velocity
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