In Physics, electricity is defined as a phenomenon that is present in the motion of matter which has a definite property known as ‘electric charge’. The presence of an electric charge – positive or negative can produce an electric field and the movement of these electric charges in the current produces a magnetic field. This conclusion by Maxwell and his famous equations have shown that electricity and magnetism are from a single phenomenon: electromagnetism.

Coulombs Law is a law that determines the magnitude of the force that forms when a charge is placed in a location with a non-zero electric field and electric potential of a place is described is equal to the work done by an external agent in carrying a unit of positive charge from an arbitrarily chosen reference point to that point without any acceleration. Even though electricity was studied extensively during the seventeenth and eighteenth centuries, its practical applications were only possible in the nineteenth century.

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