February/March 2026 Paper 22

2026 · 40 questions · 40 parts · 40 marks

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31Electromagnetic Induction GeneratorsMedium1 mark
Graph 1 shows the output from an a.c. generator.
two p.d.-time traces sharing the same axes: graph 1 a smaller-amplitude, longer-period wave; graph 2 a larger-amplitude wave completing more cycles in the same time
Which changes can be made so that the generator produces graph 2?