Physics 0625 · IGCSE · Electrical quantities

Electrical quantities — practice question

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$10.5\,\text{V}$

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