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easyR=0.36l/A
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?
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?
A
l=(R−A)/0.36
B
l=(R+A)/0.36
C
l=0.36R/A
D
l=AR/0.36