Electricity and magnetism : an elementary text-book, theoretical and practical (1920)
Glazebrook, Richard, Sir, 1854-1935 · Cambridge : The University press · leaf 374
urrent and the induced magnetisation, and this latter is byhypothesis proportional to the current, the force will depend 364 ELECTRICITY [CH. XXII on the square of the current; from this fact the instrumentcould be graduated, but since the susceptibility is not constant,but itself depends on the… … Fig. 227. 222. Ammeters and Shunts. When an ammeter isused for the measurement of a large current only a smallfraction of the current passes through the coils of the instru-ment. A shunt of small resistance is employed to connecttogether the poles of the instrument, and the main portionof the…
Electricity · Magnetism
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