Lesson 27-29 Study Guide

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Author:
Camboy
ID:
266379
Filename:
Lesson 27-29 Study Guide
Updated:
2014-04-28 09:55:20
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  1. the flow of electricity
    current
  2. a magnet made by electricity flowing through a coil of wire
    electromagnet
  3. one of the tiny particles that make up an electric current.
    electron
  4. the method of making current flow by moving a wire through a magnetic field.
    induction
  5. the area of magnetic force around a magnet
    magnetic field
  6. a magnet that keeps its magnetism all the time
    permanent magnet
  7. a device that increases or decreases the voltage of electricity
    transformer
  8. a unit for measuring the pressure of electricity
    volt
  9. a circular path for electricity to follow
    circuit
  10. a  device that protects a circuit from too much electrical current
    circuit breaker
  11. a place for making an electric connection
    terminal
  12. the rotating electromagnets inside a motor
    armature
  13. a special rotating switch on the armature of a motor
    commutator
  14. stationary magnets inside a motor
    field magnets
  15. a thin wire that glows with light when electricity flows through it
    filament
  16. the kind of light given by electricity flowing through vapors
    florescent
  17. a wire that makes heat in an appliance
    heating element
  18. the kind of light given from a filament that glows with heat
    incandescent
  19. a small light that uses a tiny amount of electricity
    light-emitting diode
  20. a metal used for heating elements
    Nichrome
  21. a  switch operated by an electromagnet
    relay
  22. a metal with a high melting point, used for light bulb
    tungsten

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