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This ‘Exam talkback’ examines the path of charged particles in a mass spectrometer, taking into account both electric and magnetic fields. An understanding of how electric and magnetic fields act on moving charged particles is required to successfully answer this question. Knowledge of circular motion is also required.
The question is from June 2020 AQA Paper 2 (Q03). It has been reproduced with permission of AQA. The answers that follow are the responsibility of PHYSICS REVIEW and AQA accepts no responsibility whatsoever for their accuracy or method of working. Figures have been renumbered for use in this article.
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