A student measures the terminal potential difference (V) of a cell (of emf 
and internal resistance r) as a function of the current (I) flowing through it. The slope, and intercept, of the graph between 
and 
, then, respectively, equal
A
and 
B
and 
C
and 
D
and 
Text Solution
Verified by ExpertsThe correct answer is:
A
, comparing with 
Slope 
, internal resistance.
. This is intercept on the 
‐axis.
Slope is negative.
decreases as 
increases.
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