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GCSE Questions: Static Electricity

Q5.

.          (a)    The diagram shows how static electricity is used to paint a metal car panel.

Use words from the boxes below to complete the following sentences.  

attract
opposite
repel
same

 

All the paint droplets have the same type of charge. This makes the paint droplets .............repel.................... each other and spread out. The car panel and the paint droplets have the ...............opposite............... type of charge. This causes the car panel to ...............attract................ the paint droplets. The car panel is covered by an even layer of paint.

(3 marks)

(b)     In which one of the following situations is static electricity dangerous and not useful?

Put a tick in the box next to your answer.

 

 

using a photocopier

 

refuelling an aircraft

a smoke precipitator

  

 

Give a reason for your answer.

Aviation fuel is inflammable. A spark from the static charge may cause an explosion/fire.

No marks were given for answers in terms of people getting a shock or electrocuted. The danger here is a spark. Sparks can occur whenever a buildup of electrically charged particles move from one surface to another.

(2 marks)

[Total 5 marks]