## Principles of Electricity and Electromagnetism |

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Page 235

sider that the sine

fluorescent screen) by a beam emerging from the cylindrical axis and rotating

with an angular velocity wi. If the ends of the sine

time for no ...

sider that the sine

**wave**is traced out on the cylindrical surface (as on afluorescent screen) by a beam emerging from the cylindrical axis and rotating

with an angular velocity wi. If the ends of the sine

**wave**join after no rotations, thetime for no ...

Page 539

Since k is always greater than 1, the velocity of propagation of a

dielectric is less than its velocity in free space. It is customary to discuss the

properties of a dielectric in terms of its inder of refraction, n, which is defined as

the ratio c/c'.

Since k is always greater than 1, the velocity of propagation of a

**wave**in adielectric is less than its velocity in free space. It is customary to discuss the

properties of a dielectric in terms of its inder of refraction, n, which is defined as

the ratio c/c'.

Page 544

Choosing the negative sign and substituting for v' in Eq. (16.15) E. = p.-(?) ,-(-; )

The last exponential represents a disturbance propagated with a velocity c'/a and

the second factor indicates an exponential damping as the

...

Choosing the negative sign and substituting for v' in Eq. (16.15) E. = p.-(?) ,-(-; )

The last exponential represents a disturbance propagated with a velocity c'/a and

the second factor indicates an exponential damping as the

**wave**progresses into...

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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