Elementary treatise on electricity and magnetism : (1905)
Foster, G. C. (George Carey), 1835-1919, Joubert, J. (Jules François), 1834-1910, Porter, Alfred W. (Alfred William), 1863-1939 · London ; New York ; Bombay : Longmans, Green, and Co. · leaf 461
y large incomparison with the dimensions ofthe needle, if we are to assume thatthe field in which the needle hangs isuniform. A much more uniform field is ob-tained by using two equal circularcoils, placed parallel to each other ata distance equal to their commonradius (264). A current of unit… … Fl&. 301. The values which this expression assumes for various values ofX are shown graphically in Fig. .301, by the ordinates of the curveA^^CBg. The value x = 0 corresponds with the centre of the circle ;the field here is greatest, and is represented by the maximumordinate q^a^. As x…
Electricity · Magnetism
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