Question
Two batteries of different emfs and different internal resistances are connected as shown. The voltage across $A B$ in volts is
✓
Answer
b
$I=\frac{6-3}{3}=1 A$
$I=\frac{6-3}{3}=1 A$
$V_A-6+1 \times 1-V_B=0$
$V_A-V_B=5 V$
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