energy and electricity

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Across
  1. 3. is a device containing a wire that melts when the current flowing through it reaches a certain value.
  2. 5. circuit components are arranged side by side.
  3. 7. a device consisting of two or more cells.
  4. 8. a part of mechanical or electrical system.
  5. 9. an object allowing the flow of electrical charge.
  6. 13. the heat energy is carried away by the particle of the material changing position.
  7. 14. is a component that is designed to introduce a particular resistance into a circuit.
  8. 15. the current flow in a circuit is measured using an instrument.
Down
  1. 1. is an electrical device in which one part vibrates strongly when an electric current passes through it.
  2. 2. is the ability of the cell to drive a current.
  3. 4. light-dependent resistor.
  4. 6. cell is a device capable of either generating electrical energy from chemical reactions.
  5. 10. is an electrical conductor used to make contact with a nonmetallic part of a circuit.
  6. 11. a material that is poor conductor.
  7. 12. is an instrument used for measuring electrical potential betweentwo points in an electrical circuit.