Platinum wires are often used as thermometers due to the change in resistivity of platinum with temperature.
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 α = 3.9 x 10-3 K-1. Suppose a platinum resistance thermometer has a resistance of 100 Ω at room temperature (293 K). If the temperature is changed so that the thermometer has a resistance of 55 Ω, what is the temperature?
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The resistivity of a material changes as a function of temper...View the full answer
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Related Book For 
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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