A battery of emf E has an internal resistance ' r '. A variable resistance R is connected to the terminals of the battery. A current I is drawn from the battery. V is the terminal P.D. If R alone is gradually reduced to zero, which of the following best describes I and V?
A
I approaches zero, V approaches E
B
I approaches 
approaches zero
approaches zero
C
I approaches 
approaches E
approaches E
D
I approaches infinity, V approaches E
Text Solution
Verified by ExpertsThe correct answer is:
B
The current drawn from the battery is
The terminal potential difference is 
When 
When 
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