The current through a 4/3 Ω external resistance connected to a parallel combination of two cells of 2 V and 1 V emf and internal resistances of 1 Ω and 2 Ω respectively is ___________.
Fill in the blank with the correct answer from the options given below.
1
1 A
2
2/3 A
3
3/4 A
4
5/6 A