Calculate the shielding effectiveness of a 0.015-inch-thick copper shield located 1 inch from the source of a 10-kHz magnetic field. Copper has a relative conductivity of 1 and relative permeability of 1
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A: ∆t=3.1 ms = 3.1×10-3 sI=0.15 mA=0.15×10-3 AD=1.95 cm , r=1.952=0.975 cm = 0.975×10-2 mR=119 ΩN=1500
Calculate the shielding effectiveness of a 0.015-inch-thick copper shield located 1 inch from the source of a 10-kHz magnetic field. Copper has a relative conductivity of 1 and relative permeability of 1.
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