Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 154
ged 4 in parallel, 2groups in series, Fig.114. Each cell has anE. M. F. of 2 volts andan internal resistance of.5 ohm. What currentwill flow through the ex-ternal circuit? E. M. F. of 1 group = 2 volts. E. M. F. of 2 groups in series — 2 X2 = 4 volts. By Formula (38) Internal resistance of 1 group… … Fig. 114.—Series-Multiple Grouping of Cells. Four cells in parallel, two groups in series, equivalent to two cells in series and four groups in parallel. nq r X C = R + r = 1.23 amperes. 3+.25 series = .25 ohm E = 4 volts, 2 R ^ 3 ohms, r of 2 groups ingroups in series. 150. Internal Resistance of…
Electricity · Magnetism
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