A tungsten wire is used to determine the melting point of indium. The resistance of the tungsten wire is 6.000 W at 20°C and increases to 9.700 W as the indium starts to melt. atungsten = 4.50 × 10^-3 (°C)-1 . What is the melting temperature of indium?
a. 351°C
c. 132°C
b. 731°C
d. 157°C
D
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