Questions
A battery consists of variable number (n) of identical cells having internal resistance r each. They are connected in series. The terminals of battery are short-circuited and current is measured. Which of the graphs [Fig] gives correct relationship between i and n
detailed solution
Correct option is A
Here, nEnr=Er=i= constant Thus the current is constant because it is independent of n. Hence the graph between n and i would be a straight line.Talk to our academic expert!
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