Physics · Oct / Nov 2016 · Paper 12 · Question 1

5054Physical quantities and measurement techniques

A length of copper wire is labelled 'length 30 m' and 'diameter 0.50 mm'. Which instruments are most suitable to measure accurately the length and the diameter of the wire?

Arule / calipers
Brule / micrometer
Ctape / calipers
Dtape / micrometer

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Correct answer: D. tape / micrometer

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Oct / Nov 2016 Paper 11, question 1