Principles of Electricity and Electromagnetism |
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Page 475
... assumed to a first approximation and it will further be assumed that the filter is constructed of such high Q elements that the resistance be neglected to this approximation . The most common con- figuration is the ladder - type net ...
... assumed to a first approximation and it will further be assumed that the filter is constructed of such high Q elements that the resistance be neglected to this approximation . The most common con- figuration is the ladder - type net ...
Page 525
... assumption , the oscillations will be approximately sinusoidal , hence a solution of the form x = u sin t ' ( 15.17 ) in which u is a slowly varying function of t ' , will be assumed . The second derivative of u with respect to t ' and ...
... assumption , the oscillations will be approximately sinusoidal , hence a solution of the form x = u sin t ' ( 15.17 ) in which u is a slowly varying function of t ' , will be assumed . The second derivative of u with respect to t ' and ...
Page 529
... Assuming infinite input impedance and that Af Af ei , show that A , = A ( 1 - 2Aƒ cos + A2ƒ2 ) 1⁄2 == = = Taking A , due to a small change dA as a measure of the stability of the amplifier , show that optimum stability is achieved if Af ...
... Assuming infinite input impedance and that Af Af ei , show that A , = A ( 1 - 2Aƒ cos + A2ƒ2 ) 1⁄2 == = = Taking A , due to a small change dA as a measure of the stability of the amplifier , show that optimum stability is achieved if Af ...
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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