Question

You want to use a switch in your electric circuit. Which of the following items will NOT serve your purpose?
A A plastic pen cap
B An aluminum foil wrapper
C A steel drawing pin
D A steel safety-pin

Answer 1

Answer:

A.a plastic pen cap.

Explanation:

I hope it helps.

Answer 2

Answer:

A. A plastic pen cap

Explanation:

Aluminium is metal, and metals are the good conductors of electricity.

Steel is an alloy, so it is also a good conductor of electricity.

But, Plastic are the bad conductors of electricity.

Hope it will help you...

If you think so, then..

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