A proton and an electron move at the same velocity perpendicular to a field. The forces on them are:

  1. zero
  2. equal in size and direction
  3. different in size
  4. equal in size and opposite in direction
Answer

D) equal in size and opposite in direction

Same q, opposite sign. SLO P-09-E-32 · Application

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise