<PRE><B>Question 815401</B>
r = C(L + (1/D)^2)
C = resistivity constant of the material
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3.5 = C(L + (1/D)^2)
3.5 = C(50*12 + (1/0.015)^2)
C = 3.5/5044.44444
C = 0.0006938326
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r = C(75*12 + (1/0.025)^2)
r = C(2500)
r = 1.735 ohms
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