Electricity and magnetism for advanced students (1920)
Starling, Sydney George, 1873- · London Longmans, Green · leaf 334
ng, owing to the extra electromotive force L-^ in the arm AB. at force in one arm of the bridge causes a proportionate current in everypart of the bridge. Let ^E be the current in the galvanometer dueto electromotive force E in the arm AB. Then the instantaneous current in the galvanometer due to… … Fia. 313. Any electromotive h li^.dt = kliat dl IIA,= = &LIo.cT 27rAH <i + |) where 0 is the throw, and A the logarithmic decrement. hi AH In order to determine —^ , the resistance in AB is changed by c amount Ri, which is so small that there is no appreciable change in the current ly. The…
Electricity · Magnetism
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