## Principles of Electricity and Electromagnetism |

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Page 294

... currents i dl would be written i , dv and Eq . ( 9 . 13 ) would become the

integration becoming a volume integration . Div A is the integral of div ( i . / r )

times the numerical constant . iv , however , is independent of the coordinates

with

... currents i dl would be written i , dv and Eq . ( 9 . 13 ) would become the

integration becoming a volume integration . Div A is the integral of div ( i . / r )

times the numerical constant . iv , however , is independent of the coordinates

with

**respect**...Page 339

From the preceding chapter it will be recalled that the force on a magnet of

moment m in a field H is ( m . grad ) H , or choosing x as the vertical coordinate ,

only H , and its partial derivative with

an ...

From the preceding chapter it will be recalled that the force on a magnet of

moment m in a field H is ( m . grad ) H , or choosing x as the vertical coordinate ,

only H , and its partial derivative with

**respect**to z do not vanish and the force onan ...

Page 462

8 ) with

means that the secondary must be tuned to a frequency different from its natural

frequency in order to obtain the largest possible current . If the primary circuit

alone ...

8 ) with

**respect**to X , equal to zero yields w2M2 X 2 = R + Y241 ( 14 . 9 ) Thismeans that the secondary must be tuned to a frequency different from its natural

frequency in order to obtain the largest possible current . If the primary circuit

alone ...

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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