The ratio of masses of three wires is 1 : 2 : 3 and that of their lengths is 3 : 2 : 1…
Physics · Class 12 · CBSE — Current Electricity
The ratio of masses of three wires is 1 : 2 : 3 and that of their lengths is 3 : 2 : 1. If the wires are made of same material, the ratio of their resistance will be:
- 1 : 1 : 1
- 1 : 2 : 3
- 9 : 4 : 1
- 27 : 6 : 1
Answer
(C) 9 : 4 : 1
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