A 100-turn coil of area 0.01 m^2 is perpendicular to a 0.4 T field, which falls to zero in 0.2 s. The average e.m.f. is:

  1. 1 V
  2. 4 V
  3. 2 V
  4. 0.02 V
Answer

C) 2 V

mathcalE = NBAt = 2 V. SLO P-09-E-42 · Application

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise