A resistor R is connected to a parallel combination of two identical batteries each with emf E and an internal resistance r. The potential drop across the resistance R is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
In the above diagram,
(i)
Also, 
And 
R … .(iv)
From equations (ii) and (iii), we get 
Substituting this along with equation (i) in equation (iv),
Substituting in equation (iv),
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