A circuit includes a cell with electromotive force (e.m.f.) of $2.0\ \text{V}$. The current flowing in the circuit is $2.0\ \text{A}$. How much energy is converted by the cell in $2.0$ minutes?
- A$2.0\ \text{J}$
- B$4.0\ \text{J}$
- C$8.0\ \text{J}$
- D$480\ \text{J}$