The diagram shows a potential divider used to vary the brightness of a lamp. What occurs as the slider on the potential divider is moved to the right?
- AThe potential difference across the lamp decreases and the lamp gets brighter.
- BThe potential difference across the lamp decreases and the lamp gets dimmer.
- CThe potential difference across the lamp increases and the lamp gets brighter.
- DThe potential difference across the lamp increases and the lamp gets dimmer.