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What is the ratio of the diameter of the copper wires to the diameter of the iron wire, if all three wires, each 2.0 m long, are to have the same tension?

Options

  1. A1:1
  2. B1:1.25
  3. C1:2
  4. D2:3

Correct answer

B. 1:1.25

Step-by-step solution

Correct Option is : (B) 1:1.25

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