Verify the value of a20 for copper

Assignment Help Electrical Engineering

Reference no: EM131203171

a. Verify the value of α₂₀ for copper in Table by substituting the inferred absolute temperature into Eq. (1).

b. Using Eq. (2) find the temperature at which the resistance of a copper conductor will increase to 1 from a level of 0.8 Ω at 20°C.

Temperature coefficient of resistance for various conductors at 20°C
Material	Temperature Coefficient (a₂₀)
Silver	0.0038
Copper	0.00393
Gold	0.0034
Aluminum	0.00391
Tungsten	0.005
Nickel	0.006
Iron	0.0055
Constantan	0.000008
Nichrome	0.00044

643_Equation 1.jpg

1013_Equation 2.jpg

Reference no: EM131203171

Questions Cloud

How the program was designed : Write a 250-300 to -word report about your selected program that addresses the following: The type of family system in crisis the program was designed to help, The mission of the program and How the program was designed.

Describe how you would apply each of the concepts : Evaluate the applicability of each of the concepts that you've selected to a business environment in which you have worked in the past (or with which you might be familiar) - Describe how you would apply each of the concepts. Be specific.

Develop a table showing the speed of magnetic field : Develop a table showing the speed of magnetic field rotation in ac machines of 2, 4, 6, 8, 10, 12, and 14 poles operating at 25 Hz. What was the fastest rotational speed available to these early motors?

Evaluate role of criminal investigator in preparing evidence : Define a criminal investigator's role in preparing a case for court. Analyze the manner in which the investigator cooperates with the prosecutor to enhance the courtroom presentation.

Verify the value of a20 for copper : Verify the value of α20 for copper in Table by substituting the inferred absolute temperature into Eq. (1).- find the temperature at which the resistance of a copper conductor will increase to 1 from a level of 0.8 Ω at 20°C.

What is the frequency of voltage produced in this winding : What are the resulting phase and terminal voltages of this stator?

Find the maximum primary and secondary currents : A 10-kVA 480/120-V conventional transformer is to be used to supply power from a 600-V source to a 120-V load. Consider the transformer to be ideal, and assume that all insulation can handle 600 V.

Developing a comprehensive literature review for research : HI6008 Business Research Literature Review Assignment. This will consist of developing a comprehensive literature review chapter for the business research proposal. You will have to identify a business research topic, describe the literature on the..

Provide the title of a topic title in amjur2d : Retrieve and read the full the court opinion you referenced in #2. Explain why this opinion is relevant to your question using a quote from the summary or syllabus or the introductory part of the opinion that shows that the opinion is relevant to ..

User Account

All Pages