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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Common terms and phrases
alternating current alternating-current ampere amplifier amplitude angle angular anode antenna applied approximately armature assumed atom axis calculated capacity cathode cell characteristic charge circuit coefficient coil component condenser conducting conductor considered constant curl current flowing curve deflection density determined dielectric dielectric constant direct-current direction dynamic resistance effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer grad harmonic hence impedance induction integral ions known length linear load magnetic field magnetic moment magnitude maximum measured meter negative obtained ohms oscillations output parallel phase plane plate current positive potential difference potentiometer quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation scalar shown in Fig solution surface temperature terminals theorem torque transconductance triode tube unit vacuum tube vector velocity voltage volts wave wire written zero