two cells of same emf E but int resistances r1 and r2 are connected in series to an external resistance R. what should be the value of R so that the potential difference across the terminals of the first cell becomes 0?

Asked by meghna | 15th Jan, 2014, 12:56: PM

Expert Answer:

Answered by  | 15th Jan, 2014, 05:16: PM

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