Obtain an expression for the equivalent emf and equivalent internal resistance in the parallel connection of two cells.
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When the combination is in parallel to each other then,
Net emf, E = E1r1 + E2r2 / (r1 + r2)
Net resistance, rint = r1r2 / (r1 + r2)
Net emf, E = E1 + E2
Net internal resistance, rint = r1 + r2
This is the main output of emf for parallel combination
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