Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
ELECTRIC CHARGE
17 practice questions
Practice questions
1–10 of 17
Question 1
1 mark · Easy
Answer and see the solution →Give the name and symbol of the SI unit used to measure electric charge.
Question 2
1 mark · Easy
Answer and see the solution →State what is meant by a 'neutral atom' in terms of its charges.
Question 3
1 mark · Easy
Answer and check →Which of the following particles has a negative electric charge?
- A.Proton
- B.Neutron
- C.Electron
- D.Positron
Question 4
2 marks · Easy
Answer and see the solution →Complete the sentences below about electric charge.
(a)[1 mark]The electric charge on a proton is ________.
(b)[1 mark]The electric charge on an electron is ________.
Question 5
2 marks · Easy
Answer and see the solution →A student rubs a plastic strip with a wool cloth and finds that the strip is now positively charged.
(a)[1 mark]Explain how the strip became positively charged.
(b)[1 mark]State what happens to the charge on the wool cloth.
Question 6
1 mark · Easy
Answer and see the solution →Explain what happens when a negatively charged balloon is brought near small pieces of paper.
Question 7
1 mark · Easy
Answer and check →Which statement about the flow of charge is correct?
- A.Charge flows in conductors and insulators equally well.
- B.Charge flows more easily in an insulator than in a conductor.
- C.Charge flows easily in conductors but not insulators.
- D.Charge does not flow in conductors.
Question 8
1 mark · Easy
Answer and see the solution →State what type of force exists between two positively charged objects.
Question 9
2 marks · Normal
Answer and see the solution →State the unit of electric charge and explain what it measures.
Question 10
4 marks · Normal
Answer and see the solution →(a)[2 marks]A current of 0.25 A flows through a wire for 20 s. Calculate the total charge that passes a point in the wire.
(b)[2 marks]If the same amount of charge passed in 10 s instead of 20 s, what would be the new current?