Principles of Electricity and Electromagnetism |
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Page 156
... shown in that figure and in a clockwise sense in the negative quadrant . On considering the current curve induced by such a loop - shaped characteristic , the maxima are seen to occur at a later time or lag the potential maxima , but as ...
... shown in that figure and in a clockwise sense in the negative quadrant . On considering the current curve induced by such a loop - shaped characteristic , the maxima are seen to occur at a later time or lag the potential maxima , but as ...
Page 401
... shown at the angle is the back emf . generated by the revolution of the synchronous motor . It is shown in the dia- gram somewhat shorter than V ,, though this depends on the excitation . The excitation cor- responding to the vectors as ...
... shown at the angle is the back emf . generated by the revolution of the synchronous motor . It is shown in the dia- gram somewhat shorter than V ,, though this depends on the excitation . The excitation cor- responding to the vectors as ...
Page 479
... shown . For this network Eq . ( 14.25 ) gives the bounding frequencies as ( 171 ) wo / 4 . The attenuation inside the band is shown in Fig . 14.20 . Band- Attenuation . in decibles 30 Band pass i elimination 25- Band pass Phase shift ...
... shown . For this network Eq . ( 14.25 ) gives the bounding frequencies as ( 171 ) wo / 4 . The attenuation inside the band is shown in Fig . 14.20 . Band- Attenuation . in decibles 30 Band pass i elimination 25- Band pass Phase shift ...
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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