Consider a plane carrying a surface current K. Then applying Gauss's law in cgs gives,
where B is the magnetic field, l is the length, and c is the speed of light, gives
In MKS,
where
is the permeability of free space, giving
Consider parallel sheets of current, with surface current
In cgs,
where c is the speed of light and B is the magnetic field. Similarly, in MKS,
(1)
where B is the magnetic field, l is the length, and c is the speed of light, gives
(2)
In MKS,
(3)
where
is the permeability of free space, givingConsider parallel sheets of current, with surface current
(4)
(5)
In cgs,
(6)
where c is the speed of light and B is the magnetic field. Similarly, in MKS,
(7)
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