0.6. The resistance of a certain size of copper wire is given as.R = Ro[1 + a(T-20)]%3Dwhere Ro-60+0.3 percent is the resistance at 20°C, a=0.004°C-1+1 percent is the temperaturecoefficient of resistance, and the temperature of the wire is T=30°C + 1 percent. Calculate theresistance of wire and its uncertainty.

Answered: Image /qna-images/answer/f5be79ef-f049-4f17-9b9f-a1d48ea0a744.jpg

R = Ro[1 + a(T-20)] %3D where Ro-6O+0.3 percent is the resistance at 20°C, a=0.004°C-1+ 1 percent is the ten coefficient of resistance, and the temperature of the wire is T=30°C + 1 percent. Cal resistance of wire and its uncertainty.

R = Ro[1 + a(T-20)] %3D where Ro-6O+0.3 percent is the resistance at 20°C, a=0.004°C-1+ 1 percent is the ten coefficient of resistance, and the temperature of the wire is T=30°C + 1 percent. Cal resistance of wire and its uncertainty.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.

Question

0.6. The resistance of a certain size of copper wire is given as.
R = Ro[1 + a(T-20)]
%3D
where Ro-60+0.3 percent is the resistance at 20°C, a=0.004°C-1+1 percent is the temperature
coefficient of resistance, and the temperature of the wire is T=30°C + 1 percent. Calculate the
resistance of wire and its uncertainty.

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