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12.3 The motor effect

12.3 The motor effect

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Question 5

An electronic microbalance utilizes a straight segment of gold wire, of active length 45.0 mm, suspended at right angles to a uniform magnetic field.

When a current of 1.60 A passes through the wire, the magnetic force exerted on it is 2.88 × 10-2 N.

Calculate the magnetic flux density of the magnetic field.

Use the equation:

F=B×I×l F = B \times I \times l F=B×I×l
[2]
Markscheme

12.3 The motor effect Questions

  1. GCSE
  2. /Physics
  3. /12.3 The motor effect

10 exam-style questions on Edexcel GCSE Physics 12.3 The motor effect. Each one has a worked solution and a mark scheme showing where the marks go.

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