Question 1 · 1 mark · Foundation · Practical · Diagnostic
Interactive practical
Magnetic flux density using a Hall probe
Zero a Hall probe, measure the flux density at the centre of a solenoid for five currents and along its axis, then estimate μ₀ from the B–I gradient and compare the field at the end with the centre.
Open interactive simulationPractice: Magnetic flux density using a Hall probe
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Question 2 · 3 marks · Standard · Practical · Practical method