Physics · Oct / Nov 2025 · Paper 61 · Question 2
0625
As printed in the paper
The question as text
A student investigates the resistance of a wire. Fig. 2.1 shows the circuit he uses. B C resistance wire sliding contact S d A V Fig. 2.1
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
2(a)[1]
0.32
2(b)(i)[1]
2.5
2(b)(ii)[1]
7.81
2(b)(iii)[1]
cm, V, Ω
2(c)[4]
Graph:
Axes correctly labelled and right way round
Suitable scales
15 1.25
40 3.44
60 4.38
80 6.56
100 7.81
or ecf
All plots correct to ½ small square
Good line judgement, thin, continuous line
2(d)[3]
Method clearly shown
Candidate’s R75 correctly read to ½ small square
R75 in range 5.6 – 6.4
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.