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Pearson Edexcel Centre Number Candidate Number Level 3 …

Jun 05, 2018 · 11 A “metre bridge” is a circuit which can be used to measure an unknown resistance accurately. The metre bridge includes a metre length of nichrome wire. (a) Calculate the resistance of a 1.00 m length of the nichrome wire. (3) resistivity of nichrome = 1.12 –6× 10 P diameter of wire = 4.00 × 10–4 m

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  Meters, Length, Metre length

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