A student measures the terminal potential difference (V) of a cell (of emf ε 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 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

1. A

$\text{ε\hspace{0.17em}and\hspace{0.17em}}-\text{r}$

2. B

$-\text{r\hspace{0.17em}and\hspace{0.17em}ε}$

3. C

$\text{r\hspace{0.17em}and\hspace{0.17em}}-\text{ε}$

4. D

$-\text{ε\hspace{0.17em}and\hspace{0.17em}r}$

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