A-LevelPhysicsD.C. circuitsOct/Nov 2016Paper 1 Q321 Mark
The diagram shows a junction in a circuit where three wires P, Q and R meet. The currents in P and Q are 1 A and 3 A respectively, in the directions shown. [Figure 32.1] How much charge passes a given point in wire R in a time of 5 s?
A0.4 C
B2 C
C10 C
D20 C
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The correct answer is C. This question tests the candidate's understanding of d.c. circuits within the Physicssyllabus. The examiner's mark scheme requires...
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