Snow, Benjamin Warner, 1860- · Madison, Wis. · leaf 444
agnet. 371. Magnetic Shielding. The conclusions reached in thelast paragraph show that the field of an induced magnet to someextent neturalizes and therefore weakens portions of the mag-netic field in which it is placed. Advantage has been taken ofthis weakening of the field, due to the presence of… … FiG. 244. The principle of magnetic shielding. deavor to suiTOund by soft iron the region to be shielded, sothat the lines of force from an external magnetic field will passthrough the iron rather than through the shielded region. Thus, Fig. 244, if a hollow cylinder of soft iron is placedin a…
Physics
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