Question
At what temperature will aluminum have a resistivity that is two times the resistivity of copper...
At what temperature will aluminum have a resistivity that is two times the resistivity of copper at room temperature?
The answer is 72.74 degrees Celsius but I am not sure how to get to that answer. Assume room temp is 20 degrees celsius.
Homework Answers
Answer #1
Answer :
At 72.6 oC aluminum have a resistivity that is two times the resistivity of copper at room temperature.
===================================================================
===================================================================
Here resistivity of Aluminum at 20 oC,
=
2.65 x 10-8 Ohm-meter
=
temperature coefficient of Aluminum = 0.0039
oC-1
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