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 
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Current drawn from the cell is
So, 
is independent of 
and 
is constant.
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