Conductivity of Liquids
المؤلف:
GEORGE A. HOADLEY
المصدر:
ESSENTIALS OF PHYSICS
الجزء والصفحة:
P-249
2025-11-22
25
Liquids as a class are poor conductors of heat, the conductivity of water being about 14/800 so of that of copper.
Demonstration. - Put some pieces of ice in the bottom of a test tube. Fasten them there with a coil of wire. Pour in water until the tube is nearly full, and then hold it over a Bunsen burner so that the heat will be applied at a point covered by the water. In this way the water in the upper part of the tube may be boiled while there is ice in the bottom only a few centimeters away.
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