electricty notes

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Across
  1. 3. have three main parts
  2. 5. a form of energy resulting from the existence of charged particles
  3. 6. current flow in one direction
  4. 7. a path for electrons to flow
  5. 9. voltage that is directly related to the current,when the resistance is constant
  6. 12. the unit for resistance
  7. 13. voltage oscillates in a sine wave pattern, varying the time
Down
  1. 1. copper,iron,silver,etc
  2. 2. rate ,per unit time ,at which electrical energy is transferred by an electric current
  3. 4. glass,ceramic,plastic,etc
  4. 8. current is in the same direction as the flow of positive charge
  5. 10. conductors silicon,granium,etc
  6. 11. measured magnitudes of electrical forces between two small charged spheres