Interactive practical

Force on a current-carrying wire

Use a top-pan balance and Hall probe to test how magnetic force depends on current, conductor length and magnetic flux density.

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Practice: Force on a current-carrying wire

Eduqas A420QS — this practical matches your selected course; the questions check the method, data handling and practical skills.

Check your answers as you work. For written questions, use the marking points to assess your response.

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6 additional questions require A-Level Physics Premium access.

2 of 2 available questions match the selected filters. This session contains 2 questions.

Question 1 · 1 mark · Foundation · Practical · Diagnostic

Why does the balance reading change when current flows in the wire?

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Question 2 · 3 marks · Standard · Practical · Practical method

State how the direction of the force on the wire is found and what reversing the current does.