Principles of Electricity and Electromagnetism |
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Page 455
... resonant circuit when L is varied at constant Q. 18. Derive Eq . ( 13.19 ) . 19. A 10 - henry inductance is available for the construction of the phase - shifting circuit of Fig . 13.16 on a 60 - cycle line . What is the proper value of ...
... resonant circuit when L is varied at constant Q. 18. Derive Eq . ( 13.19 ) . 19. A 10 - henry inductance is available for the construction of the phase - shifting circuit of Fig . 13.16 on a 60 - cycle line . What is the proper value of ...
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 ...
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alternating current alternating-current ampere amplifier amplitude angle angular anode antenna applied approximately armature assumed atom axis calculated capacity cathode cell characteristic charge circuit coefficient coil component condenser conducting conductor considered constant curl current flowing curve deflection density determined dielectric dielectric constant direct-current direction dynamic resistance effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer grad harmonic hence impedance induction integral ions known length linear load magnetic field magnetic moment magnitude maximum measured meter negative obtained ohms oscillations output parallel phase plane plate current positive potential difference potentiometer quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation scalar shown in Fig solution surface temperature terminals theorem torque transconductance triode tube unit vacuum tube vector velocity voltage volts wave wire written zero