Two wires A and B have same cross section and are made of same material. Resistance of wire A is 500 Ω and Resistance of wire B is 100 Ω. The number of times wire A is longer than B is

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Two wires A and B have same cross section and are made of same material. Resistance of wire A is 500 Ω and Resistance of wire B is 100 Ω. The number of times wire A is longer than B is:

  1. 0.2 times
  2. 1 time
  3. 5 times
  4. Insufficient data

Correct answer: 3. 5 times

Explanation:

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