A circular loop of radius 5 cm is perpendicular to a 0.2 T field. The flux through it is:

  1. 0.00157 Wb
  2. 7.85 10^-4 Wb
  3. 0.00314 Wb
  4. 5 10^-4 Wb
Answer

A) 0.00157 Wb

A = pi r^2 = 0.00785 m^2; Phi = BA = 0.00157 Wb. SLO P-09-E-39 · Application

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise