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A student measures the terminal potentia...

A student measures the terminal potential difference `(V)` of a cell (of emf `epsilon` and internal resistance `r`) as a function of the current `(I)` flowing through it. The slope and intercept of the graph between `V` and `I`, then respectively, equal

A

`-r and epsi`

B

` r and - epsi`

C

`-epsi and r `

D

`epsi and - r`

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The correct Answer is:
A
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