HiSET Science Test Prep

Category - HiSET Science Practice Test Questions

Which of the following is the best conductor of electricity?
  1. Rubber
  2. Wood
  3. Metal
  4. Plastic
Answer: C- Metals are the best conductors of electricity. Silver is the best metal conductor, but it is expensive. Although copper is not as effective as silver, it used most often due to its lower price.
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