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I understand that coaxial cable does not radiate much energy because
symmetric opposing current sheets in the outer skin of the center conductor and the inner skin of the shield essentially balance each other. Suppose I route coax through a strong DC magnetic field, such as in an MRI, with the magnetic field perpendicular to the cable axis. Will the current distribution in the center conductor then become biased "up" with respect to the field (right hand rule), and the current distribution in the shield then become biased "down," thereby destroying symmetry? If so, will the coax then radiate and become lossy? Can anyone point me to an analysis of this problem? Thanks, Tracy Hall KD7AVV hthalljr'gmail'com |
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