The force on a conductor in a magnetic field arises because:

  1. the magnetic field of the current interacts with the external field
  2. the wire heats up
  3. gravity changes
  4. the wire becomes charged
Answer

A) the magnetic field of the current interacts with the external field

Interaction of fields. SLO P-09-E-29 · Understanding

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise