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Which outcome arises when substantial interstitial impurities distort a crystal lattice?

A)Increased electrical resistance occurs
B)Enhanced thermal conductivity results
C)Improved tensile strength develops
D)Reduced optical transparency happens

💡 Explanation

Increased electrical resistance occurs because lattice distortion interrupts electron flow via phonon scattering, rather than promoting smooth passage. Phonon scattering is the operative mechanism; therefore, resistance increases because electron mobility suffers, rather than the other outcomes.

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