Physics 0625 · IGCSE · Electromagnetic effects

Electromagnetic effects — practice question

The diagrams illustrate a strong magnet and a weak magnet being moved into one coil of wire at different speeds. Which arrangement produces the greatest electromotive force (e.m.f.), and which arrangement produces the smallest e.m.f.?

  • Alargest e.m.f. X, smallest e.m.f. Y
  • Blargest e.m.f. Y, smallest e.m.f. Z
  • Clargest e.m.f. Z, smallest e.m.f. X
  • Dlargest e.m.f. Z, smallest e.m.f. Y

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