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8Sci CH 2 Magnetism


Magnetic field area around a magnet where the magnetic force acts
Induced magnetism magnetism that occurs only in the presence of a magnetic field
ALNICO aluminum, nickel, cobalt alloy for permanent
Loudspeaker changes variations in electric current into sound waves
Induced current an electrical current produced by using a magnet
Electric generator changes kinetic energy of rotation into electric energy
Transformer can raise or lower voltage
Electric motor uses an electromagnet to change electric energy into mechanical energy
Electromagnet magnet produced by passing an electric current through a coil of wire wound around a coil
Magnetic poles places where magnetic field is the strongest
Transformer ensures electricity produced by power company has correct voltage by raising or lowering voltage
Created by: hockettd