A student constructs a battery by joining five cells, as shown. What is the electromotive force (e.m.f.) of the battery?
- A$1.0\,\text{V}$
- B$2.1\,\text{V}$
- C$3.5\,\text{V}$
- D$10.5\,\text{V}$
Physics 0625 · IGCSE · Electrical quantities
A student constructs a battery by joining five cells, as shown. What is the electromotive force (e.m.f.) of the battery?