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If E(1) , E(2),E(3) ... E(n) represent e...

If `E_(1) , E_(2),E_(3) ... E_(n)` represent emfs of a number of cells of internal resistances `r_(1) , r_(2) , ... r_(n)` then mention their equivalent emf and internal resistance when these are connected in series.

Text Solution

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`!_("equivalent")=sum_(i=1)^(n)!_(i)` and `r_(eq)=sum_(i=1)^(n)r_(i)`
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