What this tests
Syllabus point 4.3 — Electric circuits, in Electricity and magnetism. Difficulty medium (estimated from the question's demands, not a Cambridge rating).
Also set in
The same question, as Cambridge printed it in other papers.
Cambridge IGCSE Physics 0625 · 4.3 Electric circuits
June 2018 · Paper 22 · Question 32
One real Cambridge question from Electricity and magnetism, with the official answer. Cambridge has printed this question 5 times.