Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
Problems with static electricity
16 practice questions
Practice questions
1–10 of 16
Question 1
1 mark · Easy
Answer and see the solution →State one reason why static electricity can be dangerous when refuelling vehicles.
Question 2
2 marks · Easy
Answer and see the solution →Describe what happens to charged dust particles as they pass through an electrostatic precipitator.
Question 3
1 mark · Easy
Answer and check →Which of the following is a problem that can arise due to static electricity in factories producing flour or grain?
- A.It can cause dust explosions.
- B.It increases the temperature of the flour.
- C.It makes the machinery run faster.
- D.It helps to remove moisture from the grain.
Question 4
3 marks · Easy
Answer and see the solution →The diagram shows smoke particles in a chimney. The smoke is passed through a mesh of highly charged wires and then through plates connected to earth.
Electrostatic precipitator setup (a)[1 mark]Explain why the dust particles gain a charge as they pass through the mesh.
(b)[2 marks]Explain why the charged dust particles are attracted to the earthed plate.
Question 5
2 marks · Easy
Answer and see the solution →Explain why it is important to avoid wearing rubber-soled shoes when working in environments with flammable gases.
Question 6
1 mark · Easy
Answer and see the solution →State one safety measure used in factories to reduce the dangers of static electricity.
Question 7
2 marks · Easy
Answer and see the solution →In a photocopier, explain why the toner powder sticks to some parts of the drum but not to others.
Question 8
2 marks · Easy
Answer and see the solution →Explain why walking across a carpet and then touching a metal door handle can cause you to feel a small shock.
(a)[1 mark]What happens to your body as you walk across the carpet?
(b)[1 mark]Why do you feel a shock when you touch the metal handle?
Question 9
2 marks · Normal
Answer and see the solution →Explain why fuel tankers must be earthed before transferring fuel.
Question 10
2 marks · Normal
Answer and see the solution →A worker is repairing computer equipment. Explain why the worker must avoid wearing clothes made entirely from synthetic materials.