A laboratory course in experimental physics (1896)
Loudon, W. J. (William James), McLennan, John Cunningham, joint author · New York and London, Macmillan and Co. · leaf 200
ming eachpair by lv /2, etc., and if His the intensity of the mag-netic field, the turning cou-ple or moment of the forcesabout the point of suspensionis equal to H ■ 2/x/ • sin 6,the angle 6 being that whichthe magnet makes in anyposition with the directionof the lines of force. The expression… … 186 EXPERIMENTAL PHYSICS. of different magnets is that of the torsion balance, and in caseabsolute determinations are required these can be made witha fair degree of accuracy by means of the same instrument. Such a balance as ordinarily used (Fig. 3) consists of aglass case provided with a scale…
Physics
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