QuestenaПрактика, после которой понятно, что повторить
Вопрос 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. CopperПравильный ответ
  4. Argon

Объяснение

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.

Продолжить работу с тестом

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