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Which 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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