AP Physics · APCEM-6 · investigation
Changing-flux coil 9
AP Physics C: Electricity and Magnetism · Electromagnetic induction · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- demanding
- Marks
- 6
- Topics
- 2
- Answer
- Complete
Question6 marks
A 75-turn coil of area 0.0027 m² is perpendicular to a uniform field. The field magnitude decreases by 0.21 T in 0.076 s. Find the average induced-emf magnitude and state the direction principle used.
Task interpretation
What a complete response should do
Define what changes and what is measured, then give a reproducible method and a way to judge the evidence.
Split the problem into linked stages and state why each relationship applies.
- Response type
- investigation
- Allocation
- 6 marks
- Demand
- demanding
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