Worksheet Activity: Calculating an Ohmic Resistors Resistance
from Experimental Data.
The following data has been collected during an experiment on measuring the
current on a multimeter at different Voltage settings on the power supply.
Voltage Setting (V)
Current (Amps)
0V
0A
2V
0.019A
4V
0.032A
6V
0.052A
8V
0.075A
10V
0.082A
12V
0.104A
1. What is the Y axis and the X axis?
2. What scale do we use on the Y axis?
3. What scale do we use on the X axis?
4. Draw the Graph on the next page and plot the experimental data.
5. Draw the line of best fit for the data plotted.
6. Calculate the Gradient of the line of best fit.
7. What is the resistance of the Ohmic resistor?