Multiple choice

Which of the following of materials possess lots of free electrons?

  1. Conductors

  2. Insulators

  3. Semiconductors

  4. Filters

  5. Thermistor

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Conductor is an object or type of material which permits the flow of electric charges in one or more directions. For example, a wire is an electrical conductor that can carry electricity along its length.