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← ScienceWhich outcome results when applying electric potential across fractured sodium chloride crystal?
A)Dislocation motion generates macroscopic current✓
B)Ionic conductivity enables dielectric breakdown
C)Space charge polarization inhibits conduction
D)Chemical gradient stimulates piezoelectric effects
💡 Explanation
The motion of charged ions through vacancies under applied potential causes dislocation motion and net macroscopic current via ionic conductivity, because charge carriers drift toward opposite polarity electrodes. Therefore, current flow happens, rather than dielectric breakdown, as impurities would cause that.
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