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n identical cells, each of emf epsilon a...

n identical cells, each of emf `epsilon` and internal resistance r, are joined in series to from a closed circuit. One cell a is joined with reversed polarity. The potential difference across each cell, except A, is

A

`(2varepsilon)/n`

B

`(n-1)/n varepsilon`

C

`(n-2)/n varepsilon`

D

`(2n)/(n-2) varepsilon`

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The correct Answer is:
A
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