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Magnetism

TermDefinition
magnetic domain Groups of atoms with aligned magnetic poles
magnetic field A region of space that surrounds a magnet and exerts a force on other magnets and objects made of magnetic materials
magnetic pole The regions of a magnet that exert the strongest force
magnetism It refers to physical phenomena arising from the force caused by magnets, objects that produce fields that attract or repel other objects.
electromagnet A type of magnet in which the electric field is produced by an electric current.
geographic north pole the northernmost point on the planet, where Earth's axis intersects with its surface.
magnetic north pole The south pole of the Earth's magnet. At this point the Earth's magnetic field points vertically downward.
Opposite poles North and south---attract
Like poles repel (North and north OR south and south)
electric motor transforms electrical energy into mechanical energy
electromagnet a temporary magnet created when there is a current in a wire coil
galvanometer uses an electromagnet to measure electric current
electromagnetic induction A changing magnetic field can induce a current in a wire
generator Transforms mechanical energy into electrical energy
Created by: PRO Teacher jhaase