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material that attracts or repels other materials/fundamental form of some forms of matter magnetism
ability of a material to attract lines of force or how susceptable matter is to become magnetized magnetic permeability
how long matter will hold magnetism magnetic retentivity
magnetic permeability and magnetic retentivity have what kind of relationship indirect
lines of force within a magnet run which direction south to north
lines of force outside a magnet run which direction north to south
what are the units of measurement for magnetic field of strength *Gauss *Tesla(SI)=10,000 G
material unaffected when in a magnetic field(wood, glass, plastic) nonmagnetic
strongly attracted by magnets(iron, cobalt, nickel) ferromagnetic
slightly attracted by magnets(mri contrast) paramagnetic
weakly repelled by magnet(beryllium, bismith, lead) diamagnetic
what are the 3 classifications of magnets *natural(earth, lodestone) *artificial(bar magnet) *electromagnet(wire wraped around iron core/locks on xray tube or fire doors)
lines of force/indicate direction for magnetic force magnetic field
accumulation of dipoles magnetic domain
each end of a magnet has ______but _______ charge equal, opposite
________ charged particle in motion creates a _______ field which is ________ to the motion of e- any, magnetic, perpendicular
_______ # of e- creates a magnetic force field odd
source of electromagnetic force(fundamental force measured in volts) discovered in 1700's by Luigi Galvani battery
what is the largest magnet earth
every magnet has ______ and _______ pole, this is know as _______ north, south, dipole
like poles ______; unlike poles _______ repel, attract
________ material can be magnetized when in an external magnetic field ferromagnetic
intensity of field is ________ related to magnetic pole strength and ________ related ot distance squared directly, indirectly
Created by: bigad1982