The flux through each of 500 turns of a coil changes by 0.02 Wb in 0.5 s. The average induced e.m.f. is:

  1. 20 V
  2. 40 V
  3. 10 V
  4. 0.04 V
Answer

A) 20 V

mathcalE = N DeltaPhiDelta t = 500 0.020.5 = 20 V. SLO P-09-E-42 · Application

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise