Pearson Edexcel International GCSE (9–1) · PHYSICS · Unit
Magnetism and Electromagnetism
293 practice questions
Topics covered
Practice questions
11–20 of 293
Question 11
2 marks · Normal
Answer and see the solution →State two differences between permanent magnets and electromagnets.
Question 12
3 marks · Normal
Answer and see the solution →Describe a simple experiment you could do to identify whether an unknown metal bar is made of a magnetic material.
Question 13
3 marks · Normal
Answer and see the solution →The diagram below shows a bar magnet and a steel paperclip.
Bar magnet attracts a steel paperclip (a)[2 marks]State and explain what happens when the magnet is brought closer to the paperclip.
(b)[1 mark]Does the paperclip become a magnet? Explain your answer.
Question 14
2 marks · Normal
Answer and see the solution →Explain why plastic is not attracted to a magnet, but nickel is.
Question 15
1 mark · Easy
Answer and see the solution →State the SI unit for electric current.
Question 16
1 mark · Easy
Answer and check →Which of the following is the correct unit for measuring voltage?
- A.watt
- B.ampere
- C.joule
- D.volt
Question 17
1 mark · Easy
Answer and see the solution →Write the symbol for the SI unit of power.
Question 18
2 marks · Easy
Answer and see the solution →A heater operates at a current of 1.5 A when powered by a voltage of 230 V.
(a)[1 mark]State the unit for the current given in the question.
(b)[1 mark]State the unit for the voltage used by the heater.
Question 19
2 marks · Easy
Answer and see the solution →Complete the following table by filling in the correct SI unit for each quantity.
Quantity Unit Current Voltage Power Question 20
1 mark · Easy
Answer and check →What is the correct SI unit for measuring current?
- A.ohm
- B.ampere
- C.candela
- D.volt