Which statement gives the definition of the electromotive force (e.m.f.) of a cell?
- Athe current in the cell when $1.0\,\text{C}$ of charge flows in $1.0\,\text{s}$
- Bthe current supplied by the cell to drive $1.0\,\text{C}$ of charge around a complete circuit
- Cthe energy supplied by the cell to drive $1.0\,\text{C}$ of charge around a complete circuit
- Dthe energy supplied by the cell to drive $1.0\,\text{A}$ of current around a complete circuit