Physics (AS & A Level) · Oct / Nov 2023 · Paper 12 · Question 33

A student sets up a circuit. The circuit diagram shows how the positive and negative terminals of a voltmeter are connected to the circuit. The voltmeter has an initial reading that is positive. Which changes, if any, in temperature and light intensity would cause the voltmeter reading to decrease?

1. Atemperature: increase; light intensity: increase
2. Btemperature: no change; light intensity: decrease
3. Ctemperature: decrease; light intensity: no change
4. Dtemperature: decrease; light intensity: decrease

As printed in the paper