Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 981
e the difference of potential atits ends. The ohmmeter is an ingenious piece of apparatus by which theratio </C may be directly obtained. Its principle will be understood fromwhat follows :— We have already seen (724) that when a compass needle is deflected fromthe magnetic meridian by an angle… … Fig. 939 are two similar coils, of high resistance, with their planes at right angles to those of A A,. N is a small magnetic needle pivoted at the centre of these coils, the action of the earths magnetism on which is neutralised by a weak bar-magnet suitably placed. A current flowing through the…
Physics
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