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Homework
  1. a. What length of copper wire 0.600 mm in diameter has a resistance of 100. W?
    b. What length of glass wire 0.600 mm in diameter has a resistance of 100. W?

  2. I have an electrical wire with an "a" value (in the temperature dependent equation) of 2.00×10-4/°C and its resistance at room temperature (25.0°C) is 200. W. What is its resistance at 2.00×10³ °C?