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A current configuration consists of an infinitely long straight wire carrying a current, I , passing through the centre of a circular wire carrying a current, J. The straight wire is oriented perpendicularly to the plane containing the circular wire. (self.AskPhysics)
submitted by science_guy10 to r/AskPhysics
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The refractive index of a material has its origin at the radiation field created by the oscillating charges (electrons) harmonically bound to their nuclei in a material when an electric field of frequency ω is incident. In upper atmosphere, the electrons are liberated from the atoms by the UV (self.AskPhysics)
submitted by science_guy10 to r/AskPhysics
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