Physics (AS & A Level) · Oct / Nov 2024 · Paper 11 · Question 34

A cell with internal resistance is connected to a light-dependent resistor (LDR), a fixed resistor and a voltmeter, as shown. The voltmeter reading increases. Which quantity decreases as the voltmeter reading increases?

1. Athe charge moving through the cell per unit time
2. Bthe energy transferred to the fixed resistor per unit charge
3. Cthe intensity of the light incident on the LDR
4. Dthe terminal potential difference across the cell

As printed in the paper