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Choose correct alternative. Masses of ...

Choose correct alternative.
Masses of three pieces of wires made of the same metal are in the ratio `1:3:5` and their lengths are in the ratio `5:3:1`. The ratios of their resistances are

A

`1:3:5`

B

`5:3:1`

C

`1:15:125`

D

`125:15:1`

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