## Principles of Electricity and Electromagnetism |

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Page 35

As the charges are equal in Figs. 1.22 and 1.23 an identical series of circles is

drawn about the second charge. (If the charges had been unequal,

corresponding radii would have been proportional to the

Lines of force ...

As the charges are equal in Figs. 1.22 and 1.23 an identical series of circles is

drawn about the second charge. (If the charges had been unequal,

corresponding radii would have been proportional to the

**magnitude**FIG. 1.25. —Lines of force ...

Page 411

at any point is constant in direction and proportional in

producing it. If i is of the form i'o cos tat, B will be equal to B0 cos <at. The cosine

function may be written in terms of the exponential functions as (e'ui + e-'"')/2, and

...

at any point is constant in direction and proportional in

**magnitude**to the currentproducing it. If i is of the form i'o cos tat, B will be equal to B0 cos <at. The cosine

function may be written in terms of the exponential functions as (e'ui + e-'"')/2, and

...

Page 587

Two vectors are said to be equal if they are equal both in direction and

point of vector B is placed at the terminal point of vector A. C, which is the sum of

these two, ...

Two vectors are said to be equal if they are equal both in direction and

**magnitude**. The process of addition of vectors is defined as follows: The initialpoint of vector B is placed at the terminal point of vector A. C, which is the sum of

these two, ...

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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 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 result rotation seen separation Show shown simple solution space surface temperature terminals transformer tube unit vector volts volume wave wire written zero