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|Question 7Math
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The given equation relates the resistance R, in ohms, of a wire to its length l, in meters, and its cross-sectional area A, in square meters. Which equation correctly expresses the length, in meters, of the wire in terms of its resistance, in ohms, and its cross-sectional area, in square meters?
l=0.43R−A
A
l=0.43R+A
B
l=A0.43R
C
l=0.43AR
D