Two cells, having the same e.m.f. are connected in series through an external resistance 
. Cells have internal resistances 
and 
respectively. When the circuit is closed, the potential difference across the first cell is zero. The value of 
is
Text Solution
Verified by ExpertsThe correct answer is:
B
Kirchhoff’s law has to be applied to the whole loop,
while 
As per question, 
or, 
or, 
or, 
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