An electron (charge 1.6 10^-19 C) moves at 5 10^6 m/s at 60^circ to a field of 0.01 T. The magnetic force on it is:

  1. 1.39 10^-14 N
  2. 6.93 10^-15 N
  3. 3.46 10^-15 N
  4. 6.93 10^-14 N
Answer

B) 6.93 10^-15 N

F = Bqvsintheta = 6.93 10^-15 N. SLO P-09-E-32 · Application

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise