Physics · Material Science
What is the primary effect of the annealing process on conducting materials such as copper and aluminium?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It increases tensile strength and hardness.
- 2It causes oxidation of the material's surface.
- 3It reduces electrical resistance by decreasing the number of dislocations.✓
- 4It increases the material's brittleness.
Correct answer
It reduces electrical resistance by decreasing the number of dislocations.
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