and then there was light maxwell equation

#And then there was light maxwell equation free

Maxwell came up with this rather curious name because many of his ideas regarding electric and magnetic fields were completely wrong. It is, in fact, associated with the generation of magnetic fields by time-varying electric fields. Of course, the displacement current is not a current at all. Maxwell gave it the name displacement current, which was proportional to the rate of change of the electric field that kept cropping up naturally in his theoretical formulations. As magnetic fields had long been associated with currents, the predicted magnetic field also was thought of as stemming from another kind of current. Maxwell, in the 19th century, predicted that a magnetic field also must be associated with a changing electric field even in the absence of a conduction current, a theory that was subsequently verified experimentally. Ordinary electric currents, called conduction currents, whether steady or varying, produce an accompanying magnetic field in the vicinity of the current.

Basically, it represents the current passing through any surface around the region of space we are studying. It’s a quantity known as displacement current. Next, “J” is actually Maxwell’s addition to an equation that already existed but wasn’t quite accurate enough. Mu naught value is the measure of the amount of resistance experienced against the formation of the magnetic field in a vacuum.

It determines how magnetic fields can exist within empty space for magnets of given strengths. Essentially, it’s the magnetic version of epsilon naught.

#And then there was light maxwell equation free

Mu naught is the magnetic constant, also known as the permeability of free space.