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Two cells, having emfs of 10 V and 8 V, ...

Two cells, having emfs of 10 V and 8 V, respectively, are connected in series with a resistance of `24Omega`. in the external circuit. If the internal resistances of each of these cells in ohm are 200% of the value of their emi's, respectively, find the terminal potential difference across 8 V battery

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.` 0.3 A, 3.2 V`
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