Electrical Heat Equivalent (Joule’s Law)

Equipment:

1. Isolated double walled calorimeter.
2. Acrylic base with thermal resistance and stirrer.
3. DC Power supply (12V/3A).
4. Rheostat (25Ω/3A).
5. 2 x Digital multi meters.
6. Alcoholic thermometer (0-100⁰C).
7. Cables.
8. Digital stop watch.