Walsh, David · London : Baillière, Tindall and Cox · leaf 26
Fig. 4.—Cells in Series.* … Fig. 5.—Cells in Parallel. bination that fulfils those conditions. Thus, to work a 10-inchcoil, taking an E.M.F, of 12 volts and 6 to 8 amperes, would * These and several of the foregoing figures are from Dawson Turners Manualof Electricity. (Bailliere, Tindall and Cox. 2nd Edition.) 22 THE RONTGEN…
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