Electricity and magnetism for advanced students (1920)
Starling, Sydney George, 1873- · London Longmans, Green · leaf 251
andthat on he vertically downwards. The couple HiA sin 0 might have beenderived directly by replacing the circuit by itsequivalent magnet shell, whose magnetic moment is ^A, and is in thedirection of the normal to the coil. The couple on this is H«A sin 0. If the uniform field IT be due to a… … Fig. 236. c6 H«A cos 6, G _^ HA cosr The instrument is very much simplified by employing a radial field,in which case the vertical sides of the coil seen at a and d in Fig. 237,experience forces Hil always at right angles to the plane of the coil, IX. EFFECT OF CURRENT ON CURRENT 241 where / is the…
Electricity · Magnetism
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