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2016 · M/J · 5054/12 | Q32

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CIE-5054-2016-MJ-p12 · Question 32

May/June 2016 Physics 5054/12: 40 multiple-choice questions, one mark each. No mark is deducted for a wrong answer. Electronic calculators may be used. Question 35 covers historical syllabus content and is available in this paper only, not current-topic practice.
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32 The diagram shows a simple d.c. motor. N S The switch is closed and the coil rotates. Which change makes the coil rotate in the opposite direction and at a faster rate? A increase the current in the coil and increase the number of turns in the coil B reverse both the magnetic field and the current in the coil C reverse the magnetic field and decrease the current in the coil D reverse the magnetic field and increase the current in the coil

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5054/12/M/J/16Cambridge O Level Physics 5054 · May/June 2016 · Paper 1 variant 2 · Question 32