Principles of Electricity and Electromagnetism |
From inside the book
Results 1-3 of 86
Page 380
... approximately with the earth's surface . The magnetic axis is in the general direction of the polar axis which suggests a connection through the gyromagnetic effect between the earth's rotation and its magnetic moment . However , there ...
... approximately with the earth's surface . The magnetic axis is in the general direction of the polar axis which suggests a connection through the gyromagnetic effect between the earth's rotation and its magnetic moment . However , there ...
Page 487
... approximately = R ' + jwL ' G ' + jwC ' - jR ' L ' L ' iR ' = - 211 2wL ' C ' = Ri and απ R ' C R ' 2NL ' = 2Ri ( 14.39 ) Thus the characteristic impedance is approximately a pure resistance independent of the line resistance , the ...
... approximately = R ' + jwL ' G ' + jwC ' - jR ' L ' L ' iR ' = - 211 2wL ' C ' = Ri and απ R ' C R ' 2NL ' = 2Ri ( 14.39 ) Thus the characteristic impedance is approximately a pure resistance independent of the line resistance , the ...
Page 495
... approximately that of the cathode , i.e. , e , = 0. The third limiting factor is that the product . EI is determined approximately by the allowable plate dissipation of the tube . Hence the region in which the operating point can lie is ...
... approximately that of the cathode , i.e. , e , = 0. The third limiting factor is that the product . EI is determined approximately by the allowable plate dissipation of the tube . Hence the region in which the operating point can lie is ...
Other editions - View all
Common terms and phrases
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