Notes
Parallel Grouping…
Parallel Grouping – 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, Eeq = E
(b) Equivalent internal resistance, Req = r/n
(c) Main current, I = E/R + r/n (shown in figure)
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