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Հարց 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. CopperՃիշտ պատասխան
  4. Argon

Բացատրություն

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