Physics: HC Verma Part-II Chapter - 32 Questions : 37 to 40

37. In the circuit shown in figure (32-E13), ∈1 = 3 V, ∈2= 2 V, ∈3= 1 V and r1= r2 = r3 = 1Ω. Find the potential difference between the points A and B and the current through each branch.