%VE l, In, Dlecture 2.pdf->Home work17. a. For the system in Fig. 46, the resistance of each line cannot exceed 6 m2, and the maximumcurrent drawn by the load is 110 A. What minimum size gage wire should be used? b. Repeat (a) for amaximum resistance of 3 mQ, d= 30 ft, and a maximum current of 110 A.d = 30 ftLoadSolid round copper wireFIG. 46Problem 17.>21. The resistance of a copper wire is 4 at room temperature (68°F). What is its resistance at a freezingtemperature of 32°F?23. a. The resistance of a copper wire is 1 at 4°C. At what temperature (°C) will it be 1.1 ? b. At whattemperature will it be 0.1 ?

ANSWERING QUESTION 21 resistance of copper wire = 4 ohm at 68°F= 5/9 *(68-32) = 20°C resistance at…

Answered: Problem 17. 21. The resistance of a…

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Problem 17. 21. The resistance of a copper wire is 4 at room temperature (68°F). What is its resistance at a freezing temperature of 32°F? 23. a. The resistance of a copper wire is 1 at 4°C. At what temperature (°C) will it be 1.1 ? b. At what temperature will it be 0.1 ?