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← ScienceWhich outcome occurs when a thermoelectric generator junctions degrade?
A)Seebeck coefficient and efficiency decrease✓
B)Increased mechanical tensile stress forms
C)Ohmic electrical resistance lowers drastically
D)Thermal expansion rate suddenly decreases proportionally
💡 Explanation
Degraded junctions of thermoelectric generators exhibit a reduction in temperature differential because diminished Seebeck effect lowers voltage output; therefore thermoelectric efficiency declines, rather than mechanical stress or abrupt thermal changes.
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