Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
Induced magnetism
16 practice questions
Practice questions
1–8 of 8 · Normal
Question 1
3 marks · Normal
Answer and see the solution →An iron nail is placed near the north pole of a bar magnet.
(a)[1 mark]State what happens to the iron nail when it is placed near the north pole of the bar magnet.
(b)[2 marks]Explain why the end of the nail nearest the magnet becomes magnetised, and state its polarity.
Question 2
4 marks · Normal
Answer and see the solution →A student holds a steel nail and an iron nail next to a bar magnet for several minutes. The magnet is then removed.
(a)[2 marks]Describe what happens to the magnetism in each nail after the magnet is taken away.
(b)[2 marks]Explain the difference in the behaviour of the iron and steel nails.
Question 3
2 marks · Normal
Answer and see the solution →A company wishes to make temporary electromagnets for use in a factory. They can choose between using iron and steel for the core.
Which material should they choose for the core, and why?
Question 4
3 marks · Normal
Answer and see the solution →Explain why a compass needle placed near a piece of iron that has been magnetised by a bar magnet will point in a particular direction. Refer to induced poles in your answer.
Question 5
1 mark · Normal
Answer and see the solution →Which of the following materials is most suitable for making the core of a temporary electromagnet?
- A.Steel
- B.Cobalt
- C.Iron
- D.Copper
Question 6
3 marks · Normal
Answer and see the solution →Describe an experiment you could carry out to demonstrate that magnetism can be induced in a piece of iron. Include the apparatus you would use, the method, and the expected result.
Question 7
4 marks · Normal
Answer and see the solution →Figure 1 shows a bar magnet and two identical iron nails hanging from it as in an experiment.
Figure 1: Bar magnet and two hanging iron nails (a)[2 marks]Explain why nail 1 is able to hang from the bar magnet.
(b)[2 marks]Explain why nail 2 is able to hang from nail 1.
Question 8
2 marks · Normal
Answer and see the solution →Give two ways to show that a material is magnetically soft.