When is induced emf zero in a coil?
کنڈلی میں حثی emf کب صفر ہے؟
Solution & explanation
When linked flux is not changing: d(NΦ)/dt = 0. A nonzero constant field can be present without inducing emf in a stationary coil.
Independent study answer. Original textbook ↗ · English-medium printed page 151.