An electron (charge 1.6 10^-19 C) moves at 2 10^6 m/s at 90^circ to a field of 0.5 T. The magnetic force on it is:

  1. 8 10^-14 N
  2. 1.6 10^-12 N
  3. 3.2 10^-13 N
  4. 1.6 10^-13 N
Answer

D) 1.6 10^-13 N

F = Bqvsintheta = 1.6 10^-13 N. SLO P-09-E-32 · Application

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise