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A student measurres the terminal potenti...

A student measurres the terminal potential difference (V) of a cell (of emf `in` and internal resistancer) 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 `in`

B

r and -`in`

C

-`in` and r

D

`in` and -r

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