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Physics (AS & A Level) · May / June 2025 · Paper 13 · Question 21

9702Elastic and plastic behaviour

The force–extension graph for a metal wire is shown. Which quantity is represented by the area under the graph?

  1. Apower transferred to the wire
  2. Btemperature increase in the wire
  3. Ctime taken for the wire to extend
  4. Dwork done on the wire

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Correct answer: D. work done on the wire

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