Robert Cinca - Physics
Testing the Internal Resistance of the PowerPack
Testing the Internal Resistance of the PowerPack was used for my excel model.
Current
Voltage
I/A V/V
0.38 5.93
0.91 5.83
1.30 5.76
1.75 5.66
2.02 5.63
2.36 5.57
2.56 5.52
3.71 5.25
Finding the internal resistance, r, of the power
pack
6.1
6
5.9
5.8
5.7
5.6
5.5
5.4
5.3
5.2
V = -0.20 I + 6.02
0
0.5
1
1.5
2
2.5
3
3.5
4
current, I/A
Finding the Resistivity of Tungsten with Temperature
49
31