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Which mechanism causes increased resistance when nitrogen impurities distort a copper crystal lattice?

A)Decreased electron mean free path
B)Increased electron group velocity
C)Reduced electron-phonon scattering
D)Enhanced Bloch wave propagation

💡 Explanation

Increased Nitrogen introduces defects that disrupt periodicity; therefore, the dominant mechanism is scattering centers reducing the electron mean free path because electrons collide more frequently leading to greater electrical resistance rather than increased conductivity.

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