What is a Magnetic Field?

What is magnetic field strength? magnetic field Let's put it this way The invisible area around a magnetic object that can pull another magnetic object toward it or push another magnetic object away from it magnetic field The magnetic field is described mathematically as a vector field This vector field can be plotted directly as a set of many vectors drawn on a grid Each

battlefield v The Earth's magnetic field is generated in the fluid outer core by a self-exciting dynamo process Electrical currents flowing in the slowly moving molten iron