Electrical Heat Equivalent (Joule’s Law)

Equipment:

Isolated double walled calorimeter.
Acrylic base with thermal resistance and stirrer.
DC Power supply (12V/3A).
Rheostat (25Ω/3A).
2 x Digital multi meters.
Alcoholic thermometer (0-100⁰C).
Cables.
Digital stop watch.

Description

This experiment used to study the physical meaning of the electrical equivalent of heat, and used to determine it experimentally.