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Searle's bar method

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Searle's Apparatus of determining the thermal conductivity of a good conductor.

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Searle's method is used to determine

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Searle's experiment (physics honours level)

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Searle's Apparatus

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In Searle's method for finding conductivity of metals, the temperature gradient along the bar

Searle's bar method is an experimental procedure to measure thermal conductivity of material. A bar of material is being heated by steam on one side and the other side cooled down by water while the length of the bar is thermally insulated. Then the heat ΔQ propagating through the bar in a time interval of Δt is given by
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