In a velocity selector, the electric field is produced by:

  1. a p.d. across parallel plates
  2. a heater
  3. a bar magnet
  4. a coil
Answer

A) a p.d. across parallel plates

E = V/d. SLO P-09-E-34 · Understanding

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise