Snapquiz - Static Electricity

This is the Snapquiz on Static Electricity. Click here or use the embedded video if you haven't watched the lesson yet.

Question 1. How does a photocopier rely on static charge?

The charge moves the paper.
The charge attracts tiny particles of toner.
The charge powers the light.
The charge drives the motors.

Question 2. Which material won't build up a static charge by rubbing it against an insulator?


Question 3. Which particle has a negative charge?


Question 4. Why does a Van de Graaff generator make your hair stand up?

When you touch it you get a shock.
When you touch it you earth it so the electrons can escape.
When you touch it you get charged up with electrons, which all then repel each other.
When you touch it your positive charge repels the negative charges.

Question 5. What effect will a positively charged plate have on a stream of alpha particles?

They'll be repelled by it.
They could be either repelled or attracted by it, because they might have different charges.
No effect.
They'll be attracted by it.

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