Physics 0625 · IGCSE · Electromagnetic effects

Electromagnetic effects — practice question

A simple electric generator produces an electromotive force (e.m.f.). Which change would make the induced e.m.f. larger?

  • AIncrease the number of turns in the coil of the generator.
  • BIncrease the distance between the magnetic poles.
  • CReduce the strength of the magnetic field around the coil.
  • DReverse the direction of the magnetic field.

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