V.Line Current Above a Perfect Conductor 2+(y-d)2=Const x2+0y+a02 XXXX XXXXXX XXXXXXXXXXX83XXXXX XX8XX米赵XXXXXXXXXX 0+∞ (a) ⑧-1 Figure 5-24 (a)A line current above a perfect conductor induces an oppositely directed surface current that is equivalent to a symmetrically located image line current. f,=1x可 Newton/meter [force per unit length] 6.641,Electromagnetic Fields,Forces,and Motion Lecture 5 Prof.Markus Zahn Page 11 of 116.641, Electromagnetic Fields, Forces, and Motion Lecture 5 Prof. Markus Zahn Page 11 of 11 V. Line Current Above a Perfect Conductor ( ) _ _ I 0 fI H = ×µ Newton/meter [force per unit length] ⎛ ⎞ µ = ×µ = ⎜ ⎟ ⎝ ⎠ π π _ _ _ 2 0 z xy 0 I I I i i i 4d 4d