Electricity and magnetism : an elementary text-book, theoretical and practical (1920)
Glazebrook, Richard, Sir, 1854-1935 · Cambridge : The University press · leaf 377
nganin or some material whichdoes not change much in resistance with temperature, theother, the coil, is of copper and has a considerable temperaturecoefiicient. 222-224] ELECTROMAGNETIC INSTRUMENTS 367 The range and applicability of the soft iron instrumentscan be extended by the use of shunts or… … Fig. 230. The centres of the two coils coincide and their axes are atright angles so that if currents circulate in the two, theirlines of force at the common centre are perpendicular, andthe moving coil tends to move so that its axis and its fieldmay be parallel to those of the fixed coil…
Electricity · Magnetism
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