May/June 2026 Paper 23

2026 · 40 questions · 40 parts · 40 marks

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31Magnetic Fields CurrentsMedium1 mark
A relay consists of a coil and it is a type of switch. It is turned on and off using an electromagnet. Four statements explaining how the relay works are listed.
  1. 1
    An electromagnetic field forms around the coil.
  2. 2
    Contacts are pushed together, completing the circuit.
  3. 3
    There is a current in the coil.
  4. 4
    This attracts a soft-iron armature.
What is the correct order for the statements that explains how the relay works?