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In identical calls are joined in series ...

In identical calls are joined in series with its two cells `A` and `B` in loop with reversed polarties. `EMF` of each shell is `E` and internal resistance `r`. Potential difference across cell `A` or `B` is (here `n gt 4`)

A

`(2E)/(n)`

B

`2E(1-(1)/(n))`

C

`(4E)/(n)`

D

`2E(1-(2)/(n))`

Text Solution

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The correct Answer is:
D
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