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The masses of the three wires of copper ...

The masses of the three wires of copper are in the ratio `5:3:1` and their lengths are in the ratio `1:3:5`. The ratio of their electrical resistances is

A

`5:3:1`

B

`sqrt125:15:1`

C

`1:15:125`

D

`1:3:5`

Text Solution

AI Generated Solution

To find the ratio of electrical resistances of three copper wires given their masses and lengths, we can follow these steps: ### Step-by-Step Solution: 1. **Identify Given Ratios**: - Masses of the wires: \( m_1 : m_2 : m_3 = 5 : 3 : 1 \) - Lengths of the wires: \( l_1 : l_2 : l_3 = 1 : 3 : 5 \) ...
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