goly3972 goly3972

14-02-2024
Mathematics

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Masses of three wires of copper are in the ratio 1 : 3 : 5 and their lengths are in the ratio of 5 : 3 : 1. The ratio of their electrical resistances are ___

A. 1 : 3 : 5
B. 5 : 3 : 1
C. 1 : 15 : 125
D. 125 : 15 : 1

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