A platinum wire is used to determine the melting point of indium. The resistance of the platinum wire is 2.000 ? at 20°C and increases to 3.072 ? as indium just starts to melt

What is the melting point of indium? The temperature coefficient of resistivity for platinum is 3.927 × 10-3/C°.
A) 136°C B) 351°C C) 156°C D) 116°C


C

Physics & Space Science

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