## Principles of Electricity and Electromagnetism |

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Page 224

7.20, for which the power factor is

resistance, if the power factor is small. However, the effective series resistance

decreases with the frequency in such a way that over a very large range of this ...

7.20, for which the power factor is

**approximately**R,G,C, where R. is the seriesresistance, if the power factor is small. However, the effective series resistance

decreases with the frequency in such a way that over a very large range of this ...

Page 380

However, to a very rough approximation the surface field is similar to one that

would be produced by a magnetic dipole near the center of the earth or by a

uniformly magnetized sphere coinciding

However, to a very rough approximation the surface field is similar to one that

would be produced by a magnetic dipole near the center of the earth or by a

uniformly magnetized sphere coinciding

**approximately**with the earth's surface.Page 487

the phase constant 8. From the latter the velocity of propagation is seen to be the

same as for the resistanceless line to this approximation. The attenuation is also

...

**approximately***(; +%)+...vic. The first factor is the attenuation of and the secondthe phase constant 8. From the latter the velocity of propagation is seen to be the

same as for the resistanceless line to this approximation. The attenuation is also

...

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alternating current alternating-current amplitude angle angular velocity anode antenna applied approximately armature assumed atom axis calculated capacity cathode centimeter characteristic circuit coefficient coil component condenser conducting conductor considered curl current flowing curve deflection density determined dielectric constant direct-current direction discharge displacement distance effective electric field electromotive force electrons electrostatic element energy equal equation ferromagnetic flux force frequency function galvanometer given grad grid hence hysteresis impedance induction integral ions known Laplace's equation linear load magnetic field magnetic moment magnitude maximum measured meter motor negative normal obtained ohms oscillations output parallel phase plane plate polarization positive potential difference potentiometer produced proportional quantity radiation radius ratio reactance region represents resistance resonant rotation Show shown in Fig solenoid solution substance surface temperature terminals theorem torque transformer tube unit vector voltage volts wave wire written zero