## Principles of Electricity and Electromagnetism |

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Page 224

The approximate equivalent circuit is that of Fig. 7.20, for which the power factor

is

small. However, the effective series resistance decreases with the frequency in

such ...

The approximate equivalent circuit is that of Fig. 7.20, for which the power factor

is

**approximately**R^C, where R- is the series resistance, if the power factor issmall. However, the effective series resistance decreases with the frequency in

such ...

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

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

independent of ...

**approximately**The first factor is the attenuation a and the second the phaseconstant 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

independent of ...

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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 discharge effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer given grad grid hence hysteresis impedance induction integral ions known Laplace's equation length linear load magnetic field magnetic induction magnitude maximum measured metal meter negative normal obtained ohms oscillations output parallel phase plane plate polarization positive potential difference potential wave potentiometer produced proportional quantities radiation radius ratio reactance region represents resistance resonant rotation Show shown in Fig solenoid solution surface temperature terminals theorem torque tube unit vector velocity voltage volts wire written zero