Use the resistivity value quoted in Table 10.2 to calculate the lengths of 0.50 mm diameter manganin

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Use the resistivity value quoted in Table 10.2 to calculate the lengths of 0.50 mm diameter manganin wire needed to make resistance coils with resistances of:
a. 1.0 Ω
b. 5.0 Ω
c. 10 Ω.

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Cambridge International AS And A Level Physics Coursebook

ISBN: 9781108859035

3rd Edition

Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside

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Question Posted: Sep 27, 2021 02:26 AM

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Use the resistivity value quoted in Table 10.2 to calculate the lengths of 0.50 mm diameter manganin

Question:

Material Resistivity /2 m silver 1.60 x 10-8 сорper 1.69 x 10-8 nichrome(a) 1.30 x 10-8 aluminium 3.21 x 10-8 lead 20.8 x 10-8 manganin(b) 44.0 x 10-8 eureka(c) 49.0 x 10-8 mercury 69.0 x 10-8 graphite 800 x 10-8 germanium 0.65 silicon 2.3 x 103 Pyrex glass 1012 PTFE(d) 1013-1016 quartz 5 x 1016

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Cambridge International AS And A Level Physics Coursebook

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