The circuits illustrated are constructed with identical cells and identical resistors. In circuit 1, the ammeter shows $2.0\,\text{A}$. What current does the ammeter show in circuit 2?
- A$1.0\,\text{A}$
- B$2.0\,\text{A}$
- C$4.0\,\text{A}$
- D$8.0\,\text{A}$