Experiment Thermal Conductivity of Various Materials
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Kindly Answer the observation ad conclusion of the experiment. Even if it is your guess.
Transcribed Image Text:Experiment #7
12 of 18
Thermal Conductivity of Various Materials
Introduction
We make use of conductors and insulators of heat in daily life. Different conductors have
different thermal conductivity.
Apparatus
three similar wires (about 20 cm long and 2 cm thick) of copper, aluminium, and iron, a candle
Procedure
Tie one end of each wire together. Heat the junction of the wires with a lighted candle. After half
a minute or so, touch the ends of the wires and try to observe which one is heated most.
Discussion
Copper wire will be heated most and the iron wire the least as thermal conductivity of copper is
more than that of aluminium and thermal conductivity of iron is less than that of aluminium. The
thermal conductivity depends on molecular structure of these materials.
Observation:
Conclusion:
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