Solve equation
Question asked by: Nellie010
Asked on: 25 May 2010
Given length of wire is inversely proportional to the square of the diameter (d) of the wire. the resistance is 12 ohms when the diameter is 2 mm. calculate the diameter when the resistance is 18.75 ohms
18.75 / 12 = 1.5625
Now square root that and double it to get wire of 2.5mm diameter.
By: daveyc
Replied at: 06 Jun 2010
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