Electrical and Magnetic Calculations, for the Use of Electrical Engineers and Artisans, Teachers, Students, and All Others Interested in the Theory and Application of Electricity and Magnetism |
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25 amperes 60 CYCLES air gap alternating current amp.-turns ampere-turns amperes amperes of current angle assuming calculate capacity cells cent circular mils coefficient coil connected constant copper Core loss counter E.M.F. cross section density depth of winding Determine diameter direct current distance dynamo dynes eddy currents efficiency electrical electromotive force energy EXAMPLE exciting current external resistance farads feet Find flux formula frequency gausses gilberts grams heat Hence henry hysteresis hysteretic impedance inductive drop intensity leakage line loss lines of force load machine magnetic circuit maxwells microfarads mils per ampere motors oersted per cc Ohm's law Ohmic drop ohms permeability pole face power factor primary R₁ R₂ reactance ring secondary self-induction slots SOLUTION speed square centimeters square inches tance temperature three-wire voltage volts W₁ weight Whence width wire wires in parallel wound wrought iron yoke ΙΟ