Physics 0625 · IGCSE · Electromagnetic effects

Electromagnetic effects — practice question

A current-carrying wire is positioned within a magnetic field. The field exerts a force on the wire. Which action does not alter the direction of the force?

  • Aincreasing the current and reversing the field direction
  • Bincreasing the current, keeping the field direction constant
  • Creversing the current and increasing the field strength
  • Dreversing the current, keeping the field direction constant

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