Principles of Electricity and Electromagnetism |
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Page 153
... frequency va and w1 to a radio frequency ,. These two are widely different , having values of say 1,000 and 100,000 cycles , respectively . They are combined by a nonlinear element in a radio - transmitting station and the subsequent ...
... frequency va and w1 to a radio frequency ,. These two are widely different , having values of say 1,000 and 100,000 cycles , respectively . They are combined by a nonlinear element in a radio - transmitting station and the subsequent ...
Page 435
... frequency inductances . μ variation with frequency . Consider first low frequencies in the power and audio range . Here it is possible to make use of the high μ value of ferromagnetic materials to construct large inductances . However ...
... frequency inductances . μ variation with frequency . Consider first low frequencies in the power and audio range . Here it is possible to make use of the high μ value of ferromagnetic materials to construct large inductances . However ...
Page 530
... frequency . Using this circuit , construct one having a reactance depending on the inverse second power of the frequency . 15. Design a circuit of type b using the negative transconductance of a type 57 pentode to produce a negative ...
... frequency . Using this circuit , construct one having a reactance depending on the inverse second power of the frequency . 15. Design a circuit of type b using the negative transconductance of a type 57 pentode to produce a negative ...
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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