Which, among the following, is the formula for induced emf?
(a) e=dϕ /dt
(b) e=dt/dϕ
(c) e=t*ϕ
(d) e=t^2ϕ
This question was addressed to me in final exam.
The doubt is from Magnitude of the Generated or Induced EMF in division Electromagnetism of Basic Electrical Engineering