The masses of two cylindrical wires of copper are in the ratio of 1 : 3 and their lengths…
Physics · Class 12 · CBSE — Current Electricity
The masses of two cylindrical wires of copper are in the ratio of 1 : 3 and their lengths are in the ratio of 5 : 3. The ratio of their resistances will be:
- 1 : 5
- 2 : 5
- 2 : 3
- 3 : 5
Answer
(D) 3 : 5
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