A cable one mile long and 0.50 inch in diameter is composed of a steel core 0.25 inch in diameter and the outside shell is aluminum. The resistance of the cable is _____ is Ps and Pa 57.4 and 17.5 ohm Cmil/ft, respectively
a. 0.447 ohm c. 0.625 ohm b. 0.893 ohm d. 5.3 ohms
Comments
Leave a comment