Principles of Electricity and Electromagnetism |
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Page 405
... transformer in the ratio of transformation and the current is reduced in this ratio . By hypothesis there is no change in the product , i.e. , no . loss of power . V , and V. differ in phase by as do i , and i ... TRANSFORMER The Transformer.
... transformer in the ratio of transformation and the current is reduced in this ratio . By hypothesis there is no change in the product , i.e. , no . loss of power . V , and V. differ in phase by as do i , and i ... TRANSFORMER The Transformer.
Page 458
... transformer can be drawn as in Fig . 14.3 . Resistances and reactances to the right of the dashed line are in the secondary , and if they are to be considered as part of the primary circuit , they must be multiplied by Lp / Ls , which ...
... transformer can be drawn as in Fig . 14.3 . Resistances and reactances to the right of the dashed line are in the secondary , and if they are to be considered as part of the primary circuit , they must be multiplied by Lp / Ls , which ...
Page 459
... transformer with low resistances in series with both primary and secondary . ( a ) Low frequencies ; ( b ) high frequencies . of the transformer in these frequency regions can be deduced by con- sidering these simple circuits . The ...
... transformer with low resistances in series with both primary and secondary . ( a ) Low frequencies ; ( b ) high frequencies . of the transformer in these frequency regions can be deduced by con- sidering these simple circuits . The ...
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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