alleryYou unload a wire past its yield point and it stays stretched. The wire has a:
ALower density
BPermanent set
CHigher modulus
DShorter length
Answer & Solution
Correct answer: B. Permanent set
1. Stress is zero but strain is not.
2. The deformation is plastic.
3. The wire has a permanent set.
_Source: syllabus Physics Part II, Chapter 9, Mechanical Properties of Solids._
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