A-Level PhysicsYear 2017Q16
Page 10 16. The output from an a.c. 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 r.m.s. 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. 17. A 20 µF capacitor is connected to a 12 V d.c. supply. The maximum charge stored on the capacitor is A 1·4 × 10−3 C B 2·4 × 10−4 C C 1·4 × 10−4 C D 1·7 × 10−6 C E 6·0 × 10−7 C.
Paper Source:NH_Physics_all_2017.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)