Questions
A battery consists of a variable number n of identical cells having internal resistance r each. They are connected in series. The terminals of the battery are short circuited and the current i is measured. Which of the graphs [fig] gives correct relationship between i and n?
detailed solution
Correct option is B
i=nEnr=Er= constant The expression for i is independent of n and hence the graph is a straight line parallel to X axisTalk to our academic expert!
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