Multiple choice

Which of the following is commonly used as a flexible coating on electric wires and cables?

  1. Insulator

  2. Resistor

  3. Semiconductor

  4. Conductor

  5. Transistor
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An electrical insulator is a material whose internal electric charges do not flow freely, and which therefore does not conduct an electric current under the influence of an electric field.

Keep practicing — related questions