For the circuit shown, with R_{1} = 1.0 , R_{2} = 2.0 , E_{1} = 2 V and E_{2} = E_{3} = 4 V, the potential difference between the points ‘a’ and ‘b’ is approximately (in V)


(a) 
2.7 
(b) 
3.7 
(c) 
2.3 
(d) 
3.3 
For the circuit shown, with R_{1} = 1.0 , R_{2} = 2.0 , E_{1} = 2 V and E_{2} = E_{3} = 4 V, the potential difference between the points ‘a’ and ‘b’ is approximately (in V)


(a) 
2.7 
(b) 
3.7 
(c) 
2.3 
(d) 
3.3 