Physics (AS & A Level) · Oct / Nov 2020 · Paper 13 · Question 4

A calibration curve is shown for an ammeter whose scale is inaccurate. Two readings taken on the meter at different times during an experiment are 0.13 mA and 0.47 mA. By how much did the current really increase between taking the two readings?

1. A0.30 mA
2. B0.34 mA
3. C0.40 mA
4. D0.44 mA

As printed in the paper