A-LevelPhysicsD.C. circuitsOct/Nov 2019Paper 1 Q331 Mark
There is a current in a resistor for an unknown time. Which two quantities can be used to calculate the energy dissipated by the resistor?
Athe current in the resistor and the potential difference across the resistor
Bthe resistance of the resistor and the current in the resistor
Cthe total charge passing through the resistor and the potential difference across the resistor
Dthe total charge passing through the resistor and the resistance of the resistor
✓ Correct Answer
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...
📋 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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