Principles of Electricity and Electromagnetism |
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Page 286
... Thermomagnetic Phenomena in Metals , Rev. Mod . Phys . , 3 , 1 ( 1931 ) . i dl = qu = qʊu dv , H = 286 ELECTROMAGNETIC EFFECTS OF STEADY CURRENTS [ CHAP . IX Calculation of the Magnetic Induction or Magnetic Field Due to Simple Circuits.
... Thermomagnetic Phenomena in Metals , Rev. Mod . Phys . , 3 , 1 ( 1931 ) . i dl = qu = qʊu dv , H = 286 ELECTROMAGNETIC EFFECTS OF STEADY CURRENTS [ CHAP . IX Calculation of the Magnetic Induction or Magnetic Field Due to Simple Circuits.
Page 307
... magnetic induction at the center μoni П radius a . is given by Σπα tan Show that this expression approaches the induction at the n center of a circle as n is indefinitely increased . 14. A cylindrical cavity is drilled in a long solid ...
... magnetic induction at the center μoni П radius a . is given by Σπα tan Show that this expression approaches the induction at the n center of a circle as n is indefinitely increased . 14. A cylindrical cavity is drilled in a long solid ...
Page 413
Gaylord Probasco Harnwell. torque . As both the magnetic circuit of the field and rotor are subject to a changing induction , they are laminated to reduce eddy - current losses . This type of machine is very efficient and simple in ...
Gaylord Probasco Harnwell. torque . As both the magnetic circuit of the field and rotor are subject to a changing induction , they are laminated to reduce eddy - current losses . This type of machine is very efficient and simple in ...
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alternating current alternating-current amplitude angle angular velocity anode applied approximately armature assumed atom axis calculated capacity cathode cell centimeter characteristic charge q circuit coefficient coil component condenser conduction conductor considered copper current density current flowing curve cylinder deflection determined dielectric constant direct-current discharge distance effective electric field electromotive force electrons electrostatic element energy equal equation ferromagnetic filament flux force frequency function galvanometer given grad grid hence hysteresis impedance induction insulating integral known Laplace's equation linear load magnetic field magnetic moment magnitude maximum measured medium metal meter molecules negative normal obtained ohms parallel plate polarization potential difference potential wave potentiometer produced proportional quantity R₁ radius ratio rectifier region represents resistance rotation Show shown in Fig solenoid solution substance surface temperature terminals theorem torque tube V₁ vector voltage volts wire written zero