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Parallel Grouping #8211; Parallel Grouping #8211; In parallel grouping, the positive terminals of all the cells are connected together and brought out as the positive terminal (i) If n identical cells are connected in parallel (a) Equivalent emf, E<sub>eq</sub> = E (b) Equivalent internal resistance, R<sub>eq</sub> = r/n (c) Main current, I = E/R + r/n (shown in figure)
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