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A sinusoidal alternating potential difference (p.d.) from a supply is rectified using a single diode.
Determine the root-mean-square (r.m.s.) value of the supply potential difference before rectification.
9702/04/SP/22Cambridge International AS & A Level Physics 9702 · Specimen 2022 · Paper 4 · Question 5(a)(i)

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Suggested time: 3 min