Principles of Electricity and Electromagnetism |
From inside the book
Results 1-3 of 27
Page 438
... resonant condition . X1X2 ( X1 + X2 ) = − ( X1R2 + X2R } ) - = ( 13.15 ) In general this is a cubic equation in w2 and the three roots give the three resonant frequencies . In the limit of R1 R20 , R also vanishes and the impedance is ...
... resonant condition . X1X2 ( X1 + X2 ) = − ( X1R2 + X2R } ) - = ( 13.15 ) In general this is a cubic equation in w2 and the three roots give the three resonant frequencies . In the limit of R1 R20 , R also vanishes and the impedance is ...
Page 510
... resonant circuit which presents a low resistance for the resonant frequency is of the type to induce instability and generate oscillations of approximately the resonant frequency . Whereas for the type b characteristic the external ...
... resonant circuit which presents a low resistance for the resonant frequency is of the type to induce instability and generate oscillations of approximately the resonant frequency . Whereas for the type b characteristic the external ...
Page 513
... resonant circuit can be made to oscillate strongly in the region of audio frequencies . The pulsations of the arc itself which are induced by the varying current make the arc act as an acoustic source and the frequency of oscillation ...
... resonant circuit can be made to oscillate strongly in the region of audio frequencies . The pulsations of the arc itself which are induced by the varying current make the arc act as an acoustic source and the frequency of oscillation ...
Other editions - View all
Common terms and phrases
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