Science Chapter 12

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Author:
Daniel_Masih
ID:
288040
Filename:
Science Chapter 12
Updated:
2014-11-03 19:20:07
Tags:
Science
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Description:
Science Glossary Terms
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  1. Direct Current (DC)
    • When charges particles in a circuit travel in only one direction
    • The current from a cell is called direct current
    • Electrons move from the┬ánegative┬áterminal to the positive terminal
  2. Alternating Current (AC)
    • Electrons move back and forth, but there is no net movement of electrons in either direction
    • Magnet and coil of wire
  3. Transformer
    • A simple electrical device that can change the potential difference of an alternating current
    • e.g. when you plug in a cellphone into a wall outlet, a transformer reduces the potential difference from 110 volts to the amount needed
    • Transformers do not work with DC
  4. Circuit Breaker And Fuse
    Both are safety devices that are placed in series with other circuits which lead to the appliances and wall outlets.

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