An iron wire is used to determine the melting point of material X. The resistance of the iron wire is 3.5 N at 30°C and increases to 5.5 N as material X starts to melt. What is the melting point of material X? [The temperature coefficient of resistivity for iron is 6.4 x 103 /C°]
An iron wire is used to determine the melting point of material X. The resistance of the iron wire is 3.5 N at 30°C and increases to 5.5 N as material X starts to melt. What is the melting point of material X? [The temperature coefficient of resistivity for iron is 6.4 x 103 /C°]
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![An iron wire is used to determine the melting point of material X. The resistance of the
iron wire is 3.5 Q at 30°C and increases to 5.5 Q as material X starts to melt. What is
the melting point of material X?
[The temperature coefficient of resistivity for iron is 6.4 x 10-3 /C°]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdb7fadeb-5965-430d-8d6d-88ca94cc512a%2F5810eb97-35e2-4bca-8661-9d62702cfa66%2Fl95xhu5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An iron wire is used to determine the melting point of material X. The resistance of the
iron wire is 3.5 Q at 30°C and increases to 5.5 Q as material X starts to melt. What is
the melting point of material X?
[The temperature coefficient of resistivity for iron is 6.4 x 10-3 /C°]
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