Principles of Electricity and Electromagnetism |
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Page 156
... Fig . 5.11 . The loop is described in a counterclockwise sense in the positive quadrant shown in that figure and in a clockwise sense in the negative quadrant . On considering the current curve induced by such a loop - shaped ...
... Fig . 5.11 . The loop is described in a counterclockwise sense in the positive quadrant shown in that figure and in a clockwise sense in the negative quadrant . On considering the current curve induced by such a loop - shaped ...
Page 387
... shown in Fig . 12.7 , except for the region in which the armature rotates . The reluctance of this gap is reduced by ... FIG . 12.2 . - Induced electric field in the conductors of a drum armature . pole pieces , as shown in Fig . 12.2 ...
... shown in Fig . 12.7 , except for the region in which the armature rotates . The reluctance of this gap is reduced by ... FIG . 12.2 . - Induced electric field in the conductors of a drum armature . pole pieces , as shown in Fig . 12.2 ...
Page 401
... Fig . 12.16 . V , is the vector representing the generator voltage that is applied to the motor . Vm , which is shown at the angle is the back emf . generated by the revolution of the synchronous motor . It is shown in the dia- gram ...
... Fig . 12.16 . V , is the vector representing the generator voltage that is applied to the motor . Vm , which is shown at the angle is the back emf . generated by the revolution of the synchronous motor . It is shown in the dia- gram ...
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angle antenna applied approximately assumed atom axis becomes calculated capacity carrying cell characteristic charge circuit closed coil component condition conducting conductor connected considered constant curve density depends determined dielectric difference direction discharge discussion distance effective electric electrons element energy equal equation evident expression factor field flow flux force frequency function galvanometer given grid hence impedance important increases indicated induction integral ions known length limited linear load losses magnetic magnetic field magnitude maximum means measured mechanical metal meter method negative normal obtained oscillations parallel path period phase placed plate positive potential present produced proportional quantities radius ratio reduced region relation represents resistance result rotation seen separation Show shown simple solution space surface temperature terminals transformer tube unit vector volts volume wave wire written zero