Physics · Oct / Nov 2021 · Paper 61 · Question 2
0625
As printed in the paper
The question as text
A student investigates the resistance of resistors in different circuit arrangements. Fig. 2.1 shows the first circuit arrangement. A V X Y power supply Fig. 2.1
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
2(a)(i)[2]
VX = 1.2
IX = 0.26
2(a)(ii)[2]
RX = 4.62
units A, V and Ω seen correctly
2(b)[1]
(No) – too different (owtte)
2(c)[3]
Resistors Z and X in parallel and named Voltmeter correctly placed Ammeter correctly placed, correct circuit and all symbols correct.
2(d)[1]
2.2 (given to 2 significant figures)
2(e)[2]
At least 4 additional values suggested
All values within 1(Ω) to 20(Ω)
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