Practicing Success
Masses of three wires of copper are in the ratio of 1 : 3 : 5 and their lengths are in the ratio of 5 : 3 : 1. The ratio of their electrical resistance are: |
1 : 3 : 5 5 : 3 : 1 1 : 15 : 125 125 : 15 : 1 |
125 : 15 : 1 |
The correct answer is Option (4) → 125 : 15 : 1 |