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← ScienceWhich outcome occurs when a crystal contains defects?
A)Increased electrical resistance results✓
B)Higher thermal conductivity occurs
C)Increased fracture toughness emerges
D)Enhanced optical transparency appears
💡 Explanation
Increased electrical resistance results from defects in the crystal lattice because electron scattering increases, which prevents free electron flow. Therefore, resistance increases, rather than increased conductivity, toughness, or transparency, which might be true for other specialized materials.
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