Design and performance of magnets in the automatic telephone (1912)
Hays, Don Llewelyn, Thvedt, Christian Bernhard · leaf 20
ity, we have (1) R - AU where R =Reiuctanoe of Magnetic Path.1 = Length of Magnetic path.A sSectional Area 0f Path. u ^Permeability 0f substance comprising path.Prom equation (l) it may be seen that an increase in or0assectional area WA» reduces reluctanceR. Thus if the c0re beoounter_3unk and the… … Figure 2 The quality of iron is of importance as shown by permeablityp, the lines of foroe being greater the better the path. This Isevidently true for the armature as well as the magnet, Sinoe magnetic leakage tends to decrease the strength of amagnet, it is to be reckoned with in the design 0f…
Electromagnets · Telephone, Automatic · Theses
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