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Materials

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Question 13

Four wires, A, B, C, and D, are made of different materials and have different dimensions. Which combination of properties will produce the largest extension when the same tensile force is applied to each wire?

A

Cross-sectional area 0.5S0.5S0.5S, Length 2L2L2L, Young modulus EEE

B

Cross-sectional area SSS, Length 3L3L3L, Young modulus 2E2E2E

C

Cross-sectional area 2S2S2S, Length 4L4L4L, Young modulus EEE

D

Cross-sectional area 2S2S2S, Length LLL, Young modulus 0.5E0.5E0.5E

Markscheme

Materials Questions

  1. A Level
  2. /Physics
  3. /Materials

20 exam-style questions on AQA A Level Physics Materials, covering Bulk properties of solids and The Young modulus. Each one has a worked solution and a mark scheme showing where the marks go.

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