The resistance y in ohms of 1,000 feet of solid metal wire at 77°F can be approximated by the model , ,where x is the diameter of the wire in mils (0.001 in).If the diameter of the wire is doubled,the resistance is changed by approximately what factor? In determining your answer,you can ignore the constant -0.39.
A)6
C)4

Question

The resistance y in ohms of 1,000 feet of solid metal wire at 77°F can be approximated by the model  ,  ,where x is the diameter of the wire in mils (0.001 in).If the diameter of the wire is doubled,the resistance is changed by approximately what factor? In determining your answer,you can ignore the constant -0.39. ​
A)6 
C)4

Quizplus · Accepted Answer

The Answer of The resistance y in ohms of 1,000 feet of solid metal wire at 77°F can be approximated by the model  ,  ,where x is the diameter of the wire in mils (0.001 in).If the diameter of the wire is doubled,the resistance is changed by approximately what factor? In determining your answer,you can ignore the constant -0.39. ​
A)6 
C)4

The Resistance Y in Ohms of 1,000 Feet of Solid