The circuit diagram depicts a variable potential divider. The slider is shifted from P towards Q. What effect does this have on the voltmeter reading and on the brightness of the lamp?
- Areading on voltmeter decreases; brightness of lamp decreases
- Breading on voltmeter decreases; brightness of lamp increases
- Creading on voltmeter increases; brightness of lamp decreases
- Dreading on voltmeter increases; brightness of lamp increases