Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
ELECTRIC CHARGE
17 practice questions
Practice questions
11–17 of 17
Question 11
1 mark · Normal
Answer and check →Which of the following correctly defines 1 coulomb?
- A.The amount of charge passing a point when 1 A flows for 1 s
- B.The potential difference across a 1 \Omega resistor
- C.The energy transferred by a current of 1 A in 1 s
- D.The charge on a single electron
Question 12
3 marks · Normal
Answer and see the solution →Explain, with reference to charge, what happens at the atomic level when an atom becomes negatively charged.
Question 13
4 marks · Normal
Answer and see the solution →Describe a method for investigating how insulating materials can be charged by friction. Include how you would test if the materials are charged.
Question 14
1 mark · Normal
Answer and check →Which statement about electric charge is correct?
- A.Electric charge is measured in amperes (A).
- B.Electric charge can be transferred by electrons.
- C.Electric charge is created when a magnet moves.
- D.Electric charge is only found in metals.
Question 15
3 marks · Normal
Answer and see the solution →A student says that rubbing a plastic rod with a cloth creates new charge. Explain why this statement is incorrect.
Question 16
2 marks · Normal
Answer and see the solution →A current of 1.3 A flows for 15 seconds. Calculate the amount of charge transferred. Give your answer with the correct unit.
Question 17
2 marks · Hard
Answer and see the solution →Explain why the coulomb (C) is a suitable unit for measuring electric charge. Refer to the definition of current in your answer.