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Answer to Question #64547 in Electric Circuits for jay transfiguracion jr
Question #64547
when an iron wire and a carbon rod, each having the same 10 ohm resistance at 25 deg.celcius, are cooled from that temperature to -80 deg.celcius, find the ratio of the resistance of the carbon rod to the resistance of the iron wire at the lower temperature?
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Thank you so much for paying attention I'm glad seeing comments in here Thanks a lot.
Dear Jay, there is no difference in these two ratios. The question was "find the ratio of the resistance of the carbon rod to the resistance of the iron wire". So the answer is ok.
I really appreciate it tnx a lot. But I really mention one let me show you [1+0.5x10^-3(-80-25)/1-5.0x10^-3(-80-25)=0.621 Cause in the question the iron mention first so that the iron whould the numerator and the carbon was the denominator right?
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