Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
Induced magnetism
16 practice questions
Practice questions
11–16 of 16
Question 11
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 12
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 13
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 14
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 15
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 16
2 marks · Normal
Answer and see the solution →Give two ways to show that a material is magnetically soft.