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

$y = m x + c V = E - i r F r o m a b o v e e q u a t i o n s S l o p e o f t h e g r a p h = a n d i n t e r c e p t = E$

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