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 430
y of fine insulated copper wirecoiled round a frame, in the centre of which a delicate magnetic needle issuspended by means of a silk thread. When an electric current is passedthrough this coil, the needle is deflected through an angle which depends onthe strength of the current. The angle is… … Fig. 399 temperature at one end of the pile causes the needle to be deflected throughan angle which depends on the extent of this excess ; and similarly, if thetemperature is depressed below that of the other end, a correspondingdeflection is produced in the opposite direction. With an instrument…
Physics
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