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Text File  |  1992-09-02  |  353b  |  10 lines
  1. SI unit (symbol `OMEGA') of electrical
  2. resistance (the property of a substance that
  3. restricts the flow of electrons through it).
  4. It was originally defined with reference to
  5. the resistance of a column of mercury, but is
  6. now taken as the resistance between two
  7. points when a potential difference of one
  8. volt between them produces a current of one
  9. ampere.
  10.