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A platinum wire is used to determine the melting point of indium. The resistance of the platinum wire is 2.000 W at 20e C and increases to 3.072 W as indium starts to melt. What is the melting point of indium? (The temperature coefficient of resistivity for platinum is 3.9 ˛-3/Ce .)

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A platinum wire is used to determine the melting point of indium. The resistance of the platinum wire is 2.000 W at 20e C and increases to 3.072 W as indium starts to melt. What is the melting point of indium? (The temperature coefficient of resistivity for platinum is 3.9 ˛-3/Ce .)






 
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