Electricity

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Across
  1. 2. - characteristic of a unit of matter that expresses the extent to which it has more or fewer electrons than protons.
  2. 4. - a device that transforms mechanical energy into electrical energy, typically by electromagnetic induction.
  3. 5. - an act or instance of opposing
  4. 7. - measuring electrical potential difference between two points in an electric circuit
Down
  1. 1. - pressure from an electrical circuit's power source that pushes charged electrons (current) through a conducting loop
  2. 2. circuit - one that is complete, with good continuity throughout.
  3. 3. electrical circuit - path along which the whole current flows through each component
  4. 6. - instrument for measuring either direct or alternating electric current, in amperes