A-LevelPhysicsD.C. circuitsMay/June 2016Paper 1 Q371 Mark
In the circuit shown, contact may be made at any point along the 3Ω resistor (potentiometer). [Figure 37.1] The battery has e.m.f. 9V and negligible internal resistance. What is the maximum range of the output voltage?
A0–2V
B0–5V
C2–3V
D2–5V
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The correct answer is D. This question tests the candidate's understanding of d.c. circuits within the Physicssyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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