Electricity and magnetism for advanced students (1920)
Starling, Sydney George, 1873- · London Longmans, Green · leaf 296
rough transversely by a circular hole abed(Fig. 283), and an iron bobbin with the neck as shown placed to fillthe hole. The strength of magnetising field is determined by windinga second coil outside the first, so that it encloses an air space of knownsection. The difference in the ballistic throws… … Fig. 283. H B I /^ 6210 25480 1530 4-iO 9970 29650 1570 2-97 12120 31620 1550 2-60 14660 34550 1580 236 15530 35820 1610 2-31 It will beseen that the intensity of magnetisation has become verynearly constant, and /x seems to be approaching the value unity, whichit should have for infinite fields if…
Electricity · Magnetism
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