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Question 88

An electrician needs a metal that carries current well and can be drawn into flexible wire. Which element is the familiar choice?

  1. Sulfur
  2. Silicon
  3. CopperBonne réponse
  4. Argon

Explication

Copper combines high electrical conductivity with ductility, so it can carry current efficiently after being drawn into wire. A brittle or poorly conducting material would fail one of the two explicit requirements.

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Question 88: An electrician needs a metal that carries current well and… · The Periodic Table and Elements · Questena