electricity

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Across
  1. 1. the solid surface of the earth
  2. 5. person who directs the performance of an orchestra or choir
  3. 6. (of a diagram or other representation) symbolic and simplified
  4. 9. circuit V
  5. 10. current an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies
  6. 12. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
  7. 14. a device for making and breaking the connection in an electric circuit
  8. 16. a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power
Down
  1. 2. the refusal to accept or comply with something; the attempt to prevent something by action or argument
  2. 3. circuit the SI unit of electrical resistance, expressing the resistance in a circuit transmitting a current of one ampere when subjected to a potential difference of one volt
  3. 4. current
  4. 7. electric current flowing in one direction only
  5. 8. a machine, especially one powered by electricity or internal combustion, that supplies motive power for a vehicle or for some other device with moving parts
  6. 11. a thing or substance used for insulation, in particular
  7. 13. the SI unit of electrical resistance, expressing the resistance in a circuit transmitting a current of one ampere when subjected to a potential difference of one volt
  8. 15. belonging to the present time; happening or being used or done now