Principles of Electricity and Electromagnetism |
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Page 165
... voltage drop across each element , the total circuit voltage , and the ratio of the power lost in the rectifier to that supplied to the circuit for the following direct currents : ( a ) 1 amp .; ( b ) 0.064 amp . = 2. A high - vacuum ...
... voltage drop across each element , the total circuit voltage , and the ratio of the power lost in the rectifier to that supplied to the circuit for the following direct currents : ( a ) 1 amp .; ( b ) 0.064 amp . = 2. A high - vacuum ...
Page 392
... voltage as a function of the field current . Since the field current is proportional to the actual potential difference between the brushes , V , the latter is given by the straight line V = Ris . The difference between these potentials ...
... voltage as a function of the field current . Since the field current is proportional to the actual potential difference between the brushes , V , the latter is given by the straight line V = Ris . The difference between these potentials ...
Page 419
... voltage developed is either the same or 3 times as great , depend- ing on the sense of the series connection . 13. The excitation is such that the power factor of a synchronous motor is unity . Assuming a 10 - kw . output and a line voltage ...
... voltage developed is either the same or 3 times as great , depend- ing on the sense of the series connection . 13. The excitation is such that the power factor of a synchronous motor is unity . Assuming a 10 - kw . output and a line voltage ...
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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