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I5-11 ADIABATIC PROCESS - AIR PISTON WITH THERMIST 9 years 9 months ago #144

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ID Code: I5-11
Purpose: Demonstrates adiabatic compression and expansion of air
Description: A thermister is enclosed in a small cylinder of air, the volume of which can be rapidly changed by moving a piston up and down. Pushing the piston down compresses the air, the air heats and the temperature increases, producing an increase in the resistance of the thermistor. Pulling the piston up expands the air adiabatically, the air cools and the temperature decreases, producing a decrease in the resistance of the thermistor. The thermistor is identical to those used with the commercial digital thermometer, and can be connected directly to the display.
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Last edit: by zzfixk21.
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