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Chapter 20
| Question | Answer |
|---|---|
| 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. |