The d.c. motor past paper questions

O Level Physics 5054 · Electromagnetic effects. 1 Know that a current-carrying coil in a magnetic field may experience a turning effect and that the turning effect is increased by increasing: (a) the number of turns on the coil (b) the current (c) the strength of the magnetic field 2 Describe the operation of an electric motor, including the action of a split-ring commutator and brushes

In Cambridge O Level Physics 5054, The d.c. motor came up in 12 of the 72 papers on Paperstreak, for about 2 marks a paper when it does. It last came up in October/November 2025.

Often set with Forces on a current-carrying conductor.

12 questions, newest first

5054/11/O/N/25 Question 32 · 1 mark
5054/12/M/J/25 Question 34 · 1 mark
5054/22/M/J/25 Question 7 parts (a) (d(ii)) · 4 marks
5054/12/O/N/24 Question 35 · 1 mark
5054/12/M/J/24 Question 35 · 1 mark
5054/21/M/J/24 Question 6 parts (a(i)) (a(ii)) (a(iii)) · 4 marks
5054/11/O/N/23 Question 33 · 1 mark
5054/21/M/J/23 Question 9 part (c(i)) · 2 marks
5054/21/M/J/22 Question 5 parts (a) (b(i)) (b(ii)) · 4 marks
5054/22/M/J/21 Question 7 · 6 marks
5054/22/O/N/20 Question 9 part (d) · 2 marks
5054/12/M/J/20 Question 39 · 1 mark

More in Electromagnetic effects: Electromagnetic induction, The a.c. generator, Magnetic effect of a current, Forces on a current-carrying conductor, The transformer.

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.