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A battery consists of a variable number 'n' of

identical cells (having internal resistance 'r'

each) which are connected in series. The

terminals of the battery are short-circuited

and the current I is measured. Which of the

graphs shows the correct relationship

between I and n?

","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"

$\\epsilon$ $\\epsilon$

$I$

$=$ $=$

$n_r$ $r$

So, $I$ is independent of $n$ and $I$ is constant.

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