Electricity Chapter 10

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  1. Electricity
    a form of energy that results from the interaction of charged particles, such as electrons or protons
  2. Static charge (static electricity)
    an electric charge that tends to stay on the surface of an object, rather than flowing away quickly
  3. Charging by friction
    a process in which objects made from different materials rub against each other, producing a net static charge on each object
  4. Electrostatic series
    a list of materials that have been arranged according to their ability to hold on to electrons
  5. Insulator
    a material in which electrons cannot move easily from one atom to another
  6. Conductor
    a material in which electrons can move easily between atoms
  7. Semiconductor
    a material in which electrons can move fairly well between atoms
  8. Ground
    an object that can supply a very large number of electrons to, or can remove a very large number of electrons from, a charged object, thus neutralizing that object
  9. Electroscope
    a device for detecting the presence of an electric charge
  10. Charging by contact
    generating a net charge on a neutral object by touching it with a charged object
  11. Laws of electric charges
    laws that describe how two object interact electrically when one or both are charged
  12. Electric field
    a property of the space around a charged object, where the effect of its charge can be felt by other objects
  13. Induced charge separation
    the movement of electrons in a substance, caused by the electric field of a nearby charged object that is not in direct contact with the substance
  14. Ion
    a positively or negatively charged atom or group of atoms
  15. Lightning rod
    a metal sphere or point that is attached to the highest part of a building and connected to the ground
  16. Electrostatic precipitator
    a type of cleaner that removes unwanted particles and liquid droplets from a flow of gas
  17. Vann de Graaff generator
    a device that accumulates very large charges
  18. Radiation dosimeter
    a small device that detects and measures exposure to radiation

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Electricity Chapter 10
2015-10-16 23:12:26

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