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Edexcel A-Level Physics A2 4.4.108 Induced E M F From Magnet Coil Motion Questions

Practise Edexcel A-Level Physics induced EMF from motion by explaining changing flux linkage, current direction and graph shape.

Syllabus
Pearson Edexcel International Advanced Subsidiary/Advanced Level
Course
Physics XPH11/YPH11
Level
A2

Exam points

  • explain induced EMF from changing flux linkage as magnets, coils or conductors move
  • interpret induced-EMF graphs when angular velocity or magnet-coil motion changes

Edexcel A-Level Physics A2 4.4.108 Induced E M F From Magnet Coil Motion Questions question 1

[Maximum number: 6]

*16 A bar magnet was dropped vertically through a small coil, as shown.

Figure for Question Edexcel A-Level Physics A2 4.4.108 Induced E M F From Magnet Coil Motion Questions question 1 — Edexcel A-Level Physics A2

The coil was attached to a data logger. The data logger recorded the variation of e.m.f. across the coil with time.

The output from the data logger is shown below.

Figure for Question Edexcel A-Level Physics A2 4.4.108 Induced E M F From Magnet Coil Motion Questions question 1 — Edexcel A-Level Physics A2

Explain the variation of e.m.f. with time.

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