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← ScienceWhich risk increases when aligning liquid crystal molecules using high voltage?
A)Electrolyte depletion reducing ion mobility
B)Uncontrolled parametric down-conversion efficiency
C)Dielectric breakdown causing cascading ionisation✓
D)Spontaneous symmetry breaking distorts the nematic
💡 Explanation
Dielectric breakdown becomes likely with high voltage, because the electric field exceeds its dielectric strength, causing cascading ionisation and discharge, therefore breakdown increases, rather than simply depleting electrolytes or affecting parameters; too low voltage leaves alignment incomplete.
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