Small motors, transformers, electromagnets; a practical presentation of design and construction data for small motors, small low- and high-tension transformers, electromagnets, and induction coils (1920)
Stoller, Hugh Montgomery, Austin, F. E. (Frank Eugene), 1873-, Seeger, Edwin Wilbur, 1892- joint author, American Technical Society · Chicago, American Technical Society · leaf 266
ed in symbols is V=TxLxPa (14) The number of turns of wire on the winding N will be equal tothe cross-sectional area times the number ofturns per square inch Na, or N=TxLxNa (15) The value of Na varies for different sizesof wire and can be obtained from Tables I and II. The total length of wire in… … Fig. 9. Cylindrical Coil R=NP,Ri (16) where Ri is the resistance per inch of wire. The values of Rifor different sizes of wire are given in Tables I and II. The totalweight of wire in a coil can be found by dividing the total resist-ance of the coil by the ohms per pound of the wire used: Weight of…
Electric motors · Electric transformers · Electromagnets · Induction coils
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