A cell with e.m.f. $8.0\,\text{V}$ is connected to two resistors of resistance $R$ and two resistors of resistance $3R$, as illustrated. The cell’s internal resistance is negligible. What reading does the voltmeter show?
- A$0.0\,\text{V}$
- B$2.0\,\text{V}$
- C$4.0\,\text{V}$
- D$6.0\,\text{V}$