Science Ch 8 Voc Flashcards
The properties and interactions of magnets
Magnetism
Surrounds a magnet and exerts a force on other magnets
Magnetic field
Region on a magnet where the magnetic force exerted by a magnet is strongest
Magnetic pole
Temporary magnet made by wrapping a wire coil
Electromagnet
A wire wrapped into a cylindrical coil
Solenoid
A device that uses an electromagnet to measure electric current
Galvanometer
Device that converts electrical energy to mechanical energy
Electric motor
Process in which electricity produced in a wire loop by a changing magnetic field
Electromagnetic induction
Device that uses electromagnetic induction to convert mechanical energy to electrical energy
Generator
Large wheel that rotates
Turbine
Electric current that only flows in one direction
Direct current
Electric current that reverses its direction of flow
Alternating current
A device that uses electromagnetic induction
Transformer
Group of atoms
Magnetic domain