Electrical terms you should know

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Across
  1. 6. is the return path for an electrical circuit made by connections to ground at each end (2 words)
  2. 8. is an electrical safety device designed to protect an electrical circuit from damage caused by overcurrent (2 words)
  3. 9. - a substance or material that allows electricity to flow through it
  4. 13. an electrical safety device that operates to provide overcurrent protection of an electrical circuit.
  5. 14. an electric current that is uni-directional (2 words)
  6. 15. is an electrical circuit that allows a current to travel along an unintended path with no or very low electrical impedance
  7. 17. used in electrical equipment to support and separate electrical conductors without allowing current through themselves
  8. 18. is a measurement of electrical resistance between two points of a conductor
  9. 19. a common return path for electric current, or a direct physical connection to the Earth
  10. 20. is a type of fault in which the unintentional pathway of the straying electrical current flows directly to the earth (2 words)
Down
  1. 1. are materials which have a conductivity between conductors (generally metals) and nonconductors or insulators (2 words)
  2. 2. is an imbalance of electric charges within or on the surface of a material or between materials (2 words)
  3. 3. is the volume (or quantity) of electrical current flowing through a circuit.
  4. 4. - an electrical path that branches so that the current divides and only part of it flows through any branch (2 words)
  5. 5. all components are connected end-to-end to form a single path for current flow (2 words)
  6. 7. a condition where the current flow through a conductor is interrupted by a missing or damaged component (2 words)
  7. 10. a complete path for electrical current flowing from the power source to the equipment and back to the power source
  8. 11. an electric current that periodically reverses its direction (2 words)
  9. 12. a measure of the opposition to current flow in an electrical circuit
  10. 16. the current in a circuit is equal to the potential difference divided by the resistance of the circuit (2 words)