A) 40°C
B) 50°C
C) 60°C
D) 70°C
Correct Answer: B
Solution :
Change in resistance \[3.70-2.71=0.99\,\Omega \] corresponds to interval of temperature 90°C. So change in resistance \[3.26-2.71=0.55\,\Omega \] Corresponds to change in temperature \[=\frac{90}{0.99}\times 0.55=50{}^\circ C\]
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