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Question- Platinum wires are often used as thermometers due to the change in resistivity of platinum with temperature. The temperature coefficient of resistivity for platinum is 3.9 x 10^-3. Suppose a platinum resistance thermometer has a resistance of 102 at room temperature (293 K).

Part 1- If the temperature is changed so that the thermometer has a resistance of 54, what is the temperature? (Assume the cross-sectional area and the length of the wire remains the same.)

I want to formulate the above question and assume the cross-sectional area and the length of the wire remains the same.

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