Available practice: 73 of 75 marks. Parts 7(a) await marking support. Scores cover available parts only. Theory Paper 2: Section A is compulsory and Section B offers a choice of two questions. Four published mark-scheme discrepancies across the two variants are held from automatic marking.
EITHER (a)Use Fig. 9.1 to determine the maximum voltage of the supply.
Answer guidance
Using You must use the thing it names. An answer that reaches the right value another way may not score.
[2 marks]
EITHER (b)Describe how the trace on the screen and the controls on the c.r.o. are used to measure the time between any two points on the trace.
Answer guidance
Describe Say what happens, in order. Reasons are not required unless the question also asks why.
[2 marks]
5054/21/M/J/16Cambridge O Level Physics 5054 · May/June 2016 · Paper 2 variant 1 · Question 9E