Electrical equivalent of heat (joule’s law)

Equipment:
• Double walled calorimeter vacuum with tightly lid which is connected with it two resistance and stirrer made from acrylic .
• DC Power supply 12V, 3A.
• Digital thermometer.
• Rheostat 25 ?, 3A.
• 2digital multi meter.
• Digital stopwatch.
• Cables

Description

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