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MMLU-Pro / 9300 / A copper coil has a resistance of 100 ohms at 20°C. What is its resistance at…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A copper coil has a resistance of 100 ohms at 20°C. What is its resistance at 50°C if the temperature coefficient of resistivity for copper is 0.0038 ohm per ohm per degree centigrade?

category

physics

options

  1. 120 ohms
  2. 125 ohms
  3. 100 ohms
  4. 105 ohms
  5. 140 ohms
  6. 150 ohms
  7. 130 ohms
  8. 111 ohms
  9. 90 ohms
  10. 115 ohms

src

stemez-Physics

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Source and history

Official source

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