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The theory of special relativity plays an important role in the modern theory of classical electromagnetism. Considering deeply the effect of Special relativity in Electromagnetism, when a charge particle moves with high speed as comparable to the speed of light in vacuum tube or in space under influence of electromagnetic field, its mass varies under Lorentz transformation (1).The question arises that does its charge vary under Lorentz transformation? In this paper, Asif's equation of charge variation demonstrates the variation of electric charge under Lorentz transformation. The more sophisticated view of electromagnetism expressed by electromagnetic fields in moving inertial frame can be achieved by considering some relativistic effect including charge as well. One can easily achieve the mass-energy relation from Asif's equation of charge variation as proved in this paper. I. Introduction From a historical point of view, it is evident that Maxwell's equations themselves were precursors to the eventual formulation of special relativity by Albert Einstein in 1905 (2). Purcell argued that, the sources which create electric field are at rest with respect to one of the reference frames which is moving with constant velocity. Given the electric field in the frame where the sources are at rest, Purcell asked: what is the electric field in some other frame? (3).In this paper, we propose Asif"s equation of charge variation that is the modern teaching strategy for developing electromagnetic field theory. Asif"s equation solves the mysteries of an electric field, magnetic field, electromagnetic wave and behavior of point charge in inertial and non-inertial frame of references with respect to rest observer. In Section II Asif"s equation of charge variation is derived, in section III the proposed equation is used to derive mass energy relation for verification and in section IV we conclude the discussion. |
