A-LevelPhysicsD.C. circuitsOct/Nov 2013Paper 1 Q341 Mark
Two lamps are connected in series to a 250 V power supply. One lamp is rated 240 V, 60 W and the other is rated 10 V, 2.5 W. Which statement most accurately describes what happens?
ABoth lamps light at less than their normal brightness.
BBoth lamps light normally.
COnly the 60 W lamp lights.
DThe 10 V lamp blows.
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of d.c. circuits within the Physicssyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
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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