A-Level PhysicsYear 2019Q20
page 15 20. The output from an AC power supply is connected to an oscilloscope. The trace seen on the oscilloscope screen is shown. div div The Y-gain setting on the oscilloscope is 1·0 V/div. The rms voltage of the power supply is A 2·1 V B 3·0 V C 4·0 V D 4·2 V E 6·0 V. [Turn over
Paper Source:NH_Physics_all_2019.pdf
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Exam Specification Info
This question is part of the UK A-Level Physics syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectPhysics
Official MarksVariable (2–6 marks)