Four statements about either potential difference or electromotive force are listed. 1 It involves changing electrical energy into other forms. 2 It involves changing other energy forms into electrical energy. 3 It is the energy per unit charge to move charge around a complete circuit. 4 It is the work done per unit charge by the charge moving from one point to another. Which statements apply to potential difference and which apply to electromotive force?
✓ Correct Answer
The correct answer is B: potential difference: 1 and 4, electromotive force: 2 and 3
📋 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...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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