Multiple choice

Why are handles of screw driver and tester made of plastics?

  1. Because plastics have good tensile strength.

  2. Because plastics are bad conductors of electricity.

  3. Because plastics are good conductor of heat and electricity.

  4. Because plastics are flexible.

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

 Handles of screw driver and tester should be made of such materials, which don't allow the current to pass through them. Otherwise we may get an electric shock. Plastics are bad conductor of electricity. 

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