Pearson Edexcel International GCSE (9–1) · PHYSICS · Chapter
Electric Charge
74 practice questions
Topics covered
Practice questions
31–40 of 74
Question 31
2 marks · Normal
Answer and see the solution →Explain why a girl’s hair stands on end after touching a Van de Graaff generator.
Question 32
1 mark · Normal
Answer and check →Which statement correctly describes the force between a charged rod and a small, uncharged paper strip?
- A.There is an attractive force between them.
- B.There is a repulsive force between them.
- C.There is no force between them.
- D.The paper becomes positively charged and repels the rod.
Question 33
1 mark · Easy
Answer and see the solution →State what is meant by an induced charge in the context of static electricity.
Question 34
1 mark · Easy
Answer and check →Which of the following is a benefit of using electrostatic paint spraying on a car body?
- A.It allows the paint to dry much faster.
- B.It uses less paint and ensures even coverage.
- C.It makes the paint more colourful.
- D.It prevents the paint from sticking to the surface.
Question 35
2 marks · Easy
Answer and see the solution →Describe how static electricity can help remove dust from the air in some factories.
Question 36
3 marks · Easy
Answer and see the solution →(a)[1 mark]State what happens to the pieces of paper when a charged plastic ruler is brought close to them.
(b)[2 marks]Explain why this happens.
Question 37
3 marks · Easy
Answer and see the solution →(a)[1 mark]State one use of electrostatic charges in daily life (other than paint spraying or inkjet printers).
(b)[2 marks]Briefly describe how static electricity is useful in the example you have stated.
Question 38
2 marks · Easy
Answer and see the solution →Describe why paint droplets in electrostatic spraying repel each other as they leave the spray gun.
Question 39
2 marks · Easy
Answer and see the solution →Explain why a bicycle frame is connected to an electrical supply during electrostatic paint spraying.
Question 40
2 marks · Easy
Answer and see the solution →(a)[1 mark]In electrostatic paint spraying, why is it useful for the paint to be attracted into ‘hard to reach’ corners and edges?
(b)[1 mark]How does electrostatic charge make this possible?