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7.2 The motor effect

7.2 The motor effect

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Question 8

A minerals processing plant uses a conveyor belt and an electromagnet to separate magnetic iron ore (magnetite) from non-magnetic quartz sand.

a.

Explain how the electromagnet and conveyor belt are used to separate the magnetite from the quartz sand.

[2]
b.

Describe two ways to increase the strength of the magnetic field produced by the electromagnet.

[2]
c.

Write down the equation that links distance travelled (sss), speed (vvv), and time (ttt).

[1]
d.

The conveyor belt moves at a speed of 1.4 m/s1.4 \text{ m/s}1.4 m/s. Calculate the time taken for a grain of magnetite to travel a distance of 4.5 m4.5 \text{ m}4.5 m. Give your answer to 2 significant figures.

[2]
Markscheme

7.2 The motor effect Questions

  1. GCSE
  2. /Physics
  3. /7.2 The motor effect

13 exam-style questions on AQA GCSE Physics 7.2 The motor effect, covering 7.2.1 Electromagnetism, 7.2.2 Fleming's left-hand rule (HT only), 7.2.3 Electric motors (HT only), and 7.2.4 Loudspeakers (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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