A Tungsten Wire Is Used to Determine the Melting Point $\degree$

question 50

Multiple Choice

A tungsten wire is used to determine the melting point of indium.The resistance of the tungsten wire is 3.000 W at 20 $\degree$ C and increases to 4.850 W as the indium starts to melt.a_tungsten = 4.50 x 10^-3 ( $\degree$ C) ^-1.What is the melting temperature of indium?

• A)132 \(\degree\)C
• B)157 \(\degree\)C
• C)351 \(\degree\)C
• D)731 \(\degree\)C

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