Principles of Electricity and Electromagnetism |
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Page 407
... connected arbi- trarily in series to supply the algebraic sum of the induced potentials . The secondaries may also be connected in parallel to increase the current- carrying capacity if the output voltages are the same and the proper ...
... connected arbi- trarily in series to supply the algebraic sum of the induced potentials . The secondaries may also be connected in parallel to increase the current- carrying capacity if the output voltages are the same and the proper ...
Page 408
... connected in the proper sequence , there is no potential difference between the last pair of terminals connected . This arrangement is known as the A ( delta ) connection and is indicated at ( c ) in Fig . 12.22 . The three junctions ...
... connected in the proper sequence , there is no potential difference between the last pair of terminals connected . This arrangement is known as the A ( delta ) connection and is indicated at ( c ) in Fig . 12.22 . The three junctions ...
Page 419
... connected in A across the terminals of a three- phase line . Show that the heat developed is three times as great as if they were connected in Y. If the line potential is 120 volts and the resistances are 10 ohms apiece , show that the ...
... connected in A across the terminals of a three- phase line . Show that the heat developed is three times as great as if they were connected in Y. If the line potential is 120 volts and the resistances are 10 ohms apiece , show that 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