What is a Magnetic Field?

magnetic field  A magnetic field refers to a vector field in the neighbourhood of a magnet, electric current or charging electric field The region around a magnetic Earth's magnetic field is generated within the outer core by the convective movement of liquid iron, but as we discovered in Chapter 8, the magnetic field is

Magnetic fields are areas where an object exhibits a magnetic influence The fields affect neighboring objects along things called magnetic field lines A Earth's magnetic field originates in the outer core and extends out into the magnetosphere — a region of space that helps protect Earth from

The shape of the magnetic field depends on the shape of the conductor When the current travels through a wire the field is circular The field is strongest A magnetic field denotes the area around a magnet in which the magnetic forces act It can help visualize the distribution of the magnetic field