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Pearson Edexcel International GCSE (9–1) · PHYSICS · Unit

Magnetism and Electromagnetism

293 practice questions

Start practising (139 questions)

Topics covered

Practice questions

41–50 of 139 · Easy

  1. Question 41

    4 marks · Easy

    A wire is connected to a battery and a current flows through it. The current in the wire is measured as 2.0 A. The voltage across the wire is 6.0 V.

    (a)

    State the correct units for current and voltage.

    [2 marks]
    (b)

    Calculate the power supplied to the wire. Give the correct unit for your answer.

    [2 marks]
    Answer and see the solution →

  2. Question 42

    1 mark · Easy

    Which of the following statements about magnets is correct?

    1. A.Magnets attract all materials.
    2. B.Magnets attract some metals such as iron.
    3. C.Magnets only repel magnetic substances.
    4. D.Magnets attract paper and cardboard.
    Answer and check →

  3. Question 43

    1 mark · Easy

    Give one material that is not attracted by a magnet.

    Answer and see the solution →

  4. Question 44

    3 marks · Easy

    A student brings two bar magnets close together in different ways.

    (a)

    Describe what happens when the north pole of one magnet is brought near the north pole of another magnet.

    [1 mark]
    (b)

    Describe what happens when the north pole of one magnet is brought near the south pole of another magnet.

    [1 mark]
    (c)

    Explain what the experiment above demonstrates about magnets.

    [1 mark]
    Answer and see the solution →

  5. Question 45

    2 marks · Easy

    Describe two ways you can tell if a material is magnetic using a magnet in a classroom.

    Answer and see the solution →

  6. Question 46

    1 mark · Easy

    Explain why steel is used for making permanent magnets rather than iron.

    Answer and see the solution →

  7. Question 47

    1 mark · Easy

    State what is meant by a 'magnetic material'.

    Answer and see the solution →

  8. Question 48

    2 marks · Easy

    For each of the following materials, state whether it is magnetic or non-magnetic. Write your answers in the table.

    MaterialMagnetic or Non-magnetic
    Nickel
    Aluminium
    Answer and see the solution →

  9. Question 49

    2 marks · Easy

    Some materials are described as magnetically soft or magnetically hard.

    (a)

    What property does a magnetically soft material have?

    [1 mark]
    (b)

    Give one example of a magnetically soft material.

    [1 mark]
    Answer and see the solution →

  10. Question 50

    1 mark · Easy

    State what a magnetic field line shows.

    Answer and see the solution →