Principles of Electricity and Electromagnetism |
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Page 123
... condition of the bridge and as it is determined by a null deflection of the galvanometer , it does not involve a knowledge of either emfs . or cur- rents . Thus if the balance condition is established and , say , R1 and the ratio R / R3 ...
... condition of the bridge and as it is determined by a null deflection of the galvanometer , it does not involve a knowledge of either emfs . or cur- rents . Thus if the balance condition is established and , say , R1 and the ratio R / R3 ...
Page 217
... condition there is no potential drop across the meter and hence no current through it . If the grid potential is altered the balance condition is disturbed and the meter deflects . From Sec . 4.3 it is evident that R , and the meter ...
... condition there is no potential drop across the meter and hence no current through it . If the grid potential is altered the balance condition is disturbed and the meter deflects . From Sec . 4.3 it is evident that R , and the meter ...
Page 463
... conditions . is obtained by dividing the secondary power iR2 by the total power delivered to the circuit . For the condition X1 0 this ratio is w2M2 / ( R ̧R2 + w2M2 ) . It is less than for deficient coupling and equal to at critical ...
... conditions . is obtained by dividing the secondary power iR2 by the total power delivered to the circuit . For the condition X1 0 this ratio is w2M2 / ( R ̧R2 + w2M2 ) . It is less than for deficient coupling and equal to at critical ...
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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