A 20-turn coil of area 0.05 m^2 is perpendicular to a 0.8 T field, which falls to zero in 0.1 s. The average e.m.f. is:

  1. 16 V
  2. 8 V
  3. 0.4 V
  4. 4 V
Answer

B) 8 V

mathcalE = NBAt = 8 V. SLO P-09-E-42 · Application

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise