SOLUTION: 4. The resistance (R) of a copper wire varies directly as its length (L). Write this relation as a formula using k as the constant of variation. A. k/L=R B. K/R=L C. LRk=0 D.

Question 1197995: 4. The resistance (R) of a copper wire varies directly as its length (L). Write this relation as a formula using k as the constant of variation.
A. k/L=R
B. K/R=L
C. LRk=0
D. R/L=k
E. RL=k
F. Rk=L

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
4. The resistance (R) of a copper wire varies directly as its length (L). Write this relation as a formula using k as the constant of variation.
A. k/L=R
B. K/R=L
C. LRk=0
D. R/L=k
E. RL=k
F. Rk=L
================================
Hint: If it's 2x the length, the resistance is 2x as much.
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