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Experiment: internal energy and electrical work (230 V, 50/60 Hz)

Objective: Increase energy through the work of internal electrical

This experiment explores how the internal energy of copper and aluminum calorimeters can be increased by the electrical work. Provided that the physical state does not change and there occur no chemical reactions, it is possible to determine the increase of internal energy with increasing temperature, which is proportional. In order to prevent heat is transferred from the calorimeters to the environment, a series of measurements should begin at a temperature somewhat below ambient temperature and ends at a temperature slightly higher than ambient.