The electrical resistance of a pure copper wire is mostly due to the vibrations of the copper atoms.
Table 19.1 shows how the resistance of a length of copper wire is found to change as it is heated. Copy the table and add a column showing the temperatures in K. Draw a graph to show these data. (Start the temperature scale of your graph at 0 K.) Explain why you might expect the resistance of copper to be zero at this temperature.

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Temperature / °C Resistance /2 10 3120 50 3600 75 3900 100 4200 150 4800 220 5640 260 6120