Advanced theory of electricity and magnetism; A text-book for colleges and technical schools (1915)
Franklin, William S. (William Suddards), 1863-1930, MacNutt, Barry, 1878-1936. joint author · New York, Macmillan · leaf 21
ys verysmall then the value of 0 in radians is sensibly equal to sin 8,and in this case equation (1) becomes: T = - mlH-6 (2) This equation shows* that a suspended magnet when startedwill perform harmonic vibrations about its axis of suspensionsuch that: ? = mlH (3) in which K is the moment of… … Fig. 11.Showing the unequal forces withwhich a non-uniform field acts uponthe poles of a magnet. vibration. This equation is true only when the amplitude ofthe vibrations is very small, that is, when the angle 0 neverbecomes large. (6) Behavior in a non-uniform field.—The forces which areexerted…
Electricity · Magnetism
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