## Principles of Electricity and Electromagnetism |

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Page 42

Show by direct integration that the electric field at a distance r from an infinite line

charge of

to a uniform surface

Show by direct integration that the electric field at a distance r from an infinite line

charge of

**density**q . is 92 E , = 2A KOT · 8 . A circular disk of radius R is chargedto a uniform surface

**density**qs . Show that the electric field on the axis of the ...Page 99

the existence of a charge

inhomogeneity is such that k / o is constant , the charge

condition is seldom fulfilled in practice . For good conductors the electric field is

small ...

the existence of a charge

**density**qo given by qu = ko i grad ( 3 . 17 ) If theinhomogeneity is such that k / o is constant , the charge

**density**vanishes , but thiscondition is seldom fulfilled in practice . For good conductors the electric field is

small ...

Page 267

The periodic increase and decrease in electron

to the anode , yielding a striated discharge . The potential distribution is

illustrated by the dashed curve of Fig . 8 . 17 . The spacial Nature of potential

near anode ...

The periodic increase and decrease in electron

**density**may continue all the wayto the anode , yielding a striated discharge . The potential distribution is

illustrated by the dashed curve of Fig . 8 . 17 . The spacial Nature of potential

near anode ...

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angle applied approximately assumed atom axis becomes calculated capacity carrying cell characteristic charge circuit closed coil component condition conducting conductor connected considered constant curve density depends determined dielectric difference direction discharge discussion distance effective electric electrons element energy equal equation evident expression factor field flow flux force frequency function galvanometer given grid hence impedance important increases indicated induction integral ions known length limited linear load losses magnetic magnetic field magnitude maximum means measured mechanical metal meter method negative normal obtained oscillations parallel path period phase placed plate positive potential present produced proportional quantities radius ratio reduced region relation represents resistance respect result rotation seen separation Show shown simple solution space surface temperature terminals transformer tube unit vector volts volume wave wire written zero