Physics 9702 · AS & A Level · Resistance and resistivity

Resistance and resistivity — practice question

The diagram illustrates a graph. For a uniform metallic wire, what is the graph unable to represent?

  • Ay-axis: current, x-axis: potential difference
  • By-axis: resistance, x-axis: length
  • Cy-axis: resistance, x-axis: temperature in $^\circ\text{C}$
  • Dy-axis: potential difference, x-axis: current

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