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Chapter 20

Insulators Materials through which charges will not move easily are electrical
Electrostatics The study of electrical charges that can be collected and held in one place.
Electroscope A device used to determine charge
Elementary Charge The magnitude of the charge of an electron
Charging by Inductions Separating the charges in an object without touching the object
Conductors Materials such as metals are electrical______. They allow charges to move about easily.
Neutral The positive charge in _____ object exactly balances the negative charge.
Charging by Conduction Giving a neutral body a charge by touching it with a charged body.
Coulomb's Law The magnitude of the force between charge A and charge W separated by a distance is proportional to the magnitude of the charges and inversely proportional to the square of the distance; this is a statement of ______
Coulomb The SI standard unit of charge
Plasma A gaslike state of negatively charged electrons and positively and negatively charged ions.
Charged An object the exhibits electrical interaction after rubbing is said to be.
Created by: felicity233
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