I understand a changing magnetic field would induce a current in the
copper foil, and so the magnetic field would effectively be "used up"
by the copper foil, though. Why is copper shielding not effective
against 60 Hz? That's not DC after all.
Thanks a lot
I'm only learning about EM theory
On Sat, Feb 20, 2016 at 7:57 PM, snapdiode@... [TekScopes]
<TekScopes@...> wrote:
grounded copper foil would do precisely zero against a dc field
Mu-metal - Wikipedia, the free encyclopedia
Mu-metal - Wikipedia, the free encyclopedia Mu-metal is a nickel¨Ciron soft magnetic alloy with very high permeability suitable for shielding sensitive electronic equipment against static or low-frequen...
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Permeability (electromagnetism) - Wikipedia, the free encyclopedia
Permeability (electromagnetism) - Wikip... In electromagnetism, permeability is the measure of the ability of a material to support the formation of a magnetic field within itself. Hence, it is the degree of...
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