The flux through each of 50 turns of a coil changes by 0.002 Wb in 0.01 s. The average induced e.m.f. is:

  1. 10 V
  2. 5 V
  3. 0.2 V
  4. 20 V
Answer

A) 10 V

mathcalE = N DeltaPhiDelta t = 50 0.0020.01 = 10 V. SLO P-09-E-42 · Application

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise