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[Phys-l] Is skin efffect a factor?
From
: Bernard Cleyet <
bernardcleyet@redshift.com
>
Date
: Fri, 5 Jun 2009 09:55:47 -0700
A typical back EMF demo is to drop a magnet on to a conducting plate. One inch thick Cu cooled w/ LN2 is usual. I wonder; will 1/2 inch thick work as well and, if so, because of skin effect?
bc
p.s. Skin depth for 77K Cu is one inch at ~ 3 Hz.
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