# Physics: Joule’s Constant Data Sheet

Complete the following data sheet:
Specific heat of the material of the calorimeter, s = 0.093 cal/(gm ⋅ C°)Water equivalent of the heating coil, stirrer, etc., m 3 = 6.8 gm Mass of the empty dry calorimeter, m1 = 123.4 gmMass of calorimeter plus water, m = 280.1 gmMass of water in the calorimeter, m2 =

No.
Time (min)
Temperature (C °)
Voltage (V)
Current (A)
Power (watt)

1
0
22.6
5.2
1.1

2
3
24.1
5.1
1.1

3
6
25.4
5.2
1.2

4
9
26.8
5.0
1.0

5
12
27.8
5.2
1.1

Interval No.
Time Interval (min)
Average Power (watt)

1
0 – 3

2
3 – 6

3
6 – 9

4
9 – 12

Length of a time interval, t = Total average power, P = Total electrical energy supplied, W = Initial temperature, T1 = 22.6 °CFinal temperature, T2 = 28.2 °CAmount of heat generated in calories, H = Joule’s Constant, J = Percent error in J (standard value is equal to 4.186 J/cal) = Give values for all missing items on the sheet.Give Power = {P1, P2, P3, P4, P5}Give Average Power = {AP1, AP2, AP3, AP4}