Electric current magnetic field relationship with distance

electric current magnetic field relationship with distance

When electric current is carried in a wire, a magnetic field is formed around it. depends on the amount of current, and the distance from the charge-carrying. Therefore, the following factors will decrease the magnetic field at point P: Increasing the distance between the current carrying wire and point. A magnetic field is a vector field that describes the magnetic influence of electrical currents and .. where the gradient ∇ is the change of the quantity m · B per unit distance and the direction is that of This equation is strictly only valid for magnets of zero size, but is often a good approximation for not too large magnets.

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electric current magnetic field relationship with distance

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electric current magnetic field relationship with distance