In the circuit shown, if we connect a source of 2 volt with internal resistance of 1 Ω at AA′ with positive terminal at A′, then the current through R is
1
2 A
2
1.66 A
3
1 A
4
0.625 A
In the circuit shown, if we connect a source of 2 volt with internal resistance of 1 Ω at AA′ with positive terminal at A′, then the current through R is