A platinum resistance thermometer has resistances of 200.0 when placed in a 0A?°C ice bath and 255.8 when immersed in a crucible containing a melting substance. What is the melting point of this substance? (Hint: First determine the resistance of the platinum resistance thermometer at room temperature, 20A?°C.

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter29: Direct Current (dc) Circuits
Section: Chapter Questions
Problem 19PQ
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A platinum resistance thermometer has resistances of 200.0 omegacap.gif when placed in a 0A?°C ice bath and 255.8 omegacap.gif when immersed in a crucible containing a melting substance. What is the melting point of this substance? (Hint: First determine the resistance of the platinum resistance thermometer at room temperature, 20A?°C.

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