The diagram illustrates a potential divider circuit used to produce a variable output p.d. Which row states the range of output p.d. that can be obtained?
- Amaximum output $3.0\,\text{V}$, minimum output $0$
- Bmaximum output $4.5\,\text{V}$, minimum output $0$
- Cmaximum output $9.0\,\text{V}$, minimum output $0$
- Dmaximum output $9.0\,\text{V}$, minimum output $4.5\,\text{V}$