Elementary treatise on electricity and magnetism : founded on Joubert's "Traité élémentaire d'électricité" (1909)
Foster, G. Carey (George Carey), Porter, Alfred William, 1863-1939, Joubert, Jules François · London : Longmans · leaf 509
oncurrents due to the motion of the coilin the field, and as the field is verystrong, the apparatus is nearly dead-beat when the circuit is closed by a-low resistance. The dampingeffect is often increased by coiling the wire on a light silver frame.The deflections are read by means of a small… … Fig. 313. SBC cos a = Ta 368] ELECTRODYNAMOMETER 487 from which is deduced Ta C-. SB cos a For small deflections a is equal to sin a, and the current issensibly proportional to the tangent of the deflection. 367.* String Galvanometer.—The use of the movement of a current-cai-rying conductor in a…
Electricity · Magnetism
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