Two identical long wires of radius a = 2.20 mm are parallel and carry identical
ID: 2246180 • Letter: T
Question
Two identical long wires of radius a = 2.20 mm are parallel and carry identical currents of i = 14.0 A in opposite directions. Their center-to-center separation is W = 25.0 mm. Neglect the flux within the wires but consider the flux in the region between the wires. What is the inductance per unit length of the wires?
Explanation / Answer
L = mu/pi * ln{ (d-a)/a}
L =[ 8.85*10^-12 /3.14] *ln {( 25-2.2)/2.2}
L= 6.59*10^-12 H/m
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