A) 8%
B) 10%
C) 20%
D) 25%
Correct Answer: D
Solution :
Thermoelectric power \[P\propto \theta \] Þ \[\frac{{{P}_{100}}-{{P}_{80}}}{{{P}_{80}}}\times 100=\frac{100-80}{80}\times 100\]= 25%
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