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IB Physics · D.4 · investigation

Coil leaves a magnetic field 6

Fields · Induction · Original GioPhysics question with a detailed, mark-by-mark answer guide.

Demand
demanding
Marks
6
Topics
2
Answer
Complete
Question6 marks

A 140-turn coil of area 0.0018 m² is initially perpendicular to a 0.37 T field and is then moved completely out of the field in 0.11 s. Determine the average induced emf.

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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Use your answer and the marking steps—not confidence alone—to choose.