IB Physics · D.2 · free response
Separating unlike charges 9
Fields · Electric fields · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- demanding
- Marks
- 5
- Topics
- 2
- Answer
- Complete
Question5 marks
Charges 3.80 × 10-9 C and -1.90 × 10-9 C are 0.085 m apart. Find their electric potential energy and the minimum external work needed to separate them to infinity quasistatically.
Task interpretation
What a complete response should do
Develop a connected physics argument and support each claim with a relationship, calculation, or observation.
Split the problem into linked stages and state why each relationship applies.
- Response type
- free response
- Allocation
- 5 marks
- Demand
- demanding
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