If, on the other hand, the rotating element of the machine is driven by a prime mover (for example, an internal combustion engine), then an emf is generated across the coil that is rotating in the magnetic field (the armature).
If,on the other hand, the rotating element of the machine is driven by a prime mover(for example, an internal combustion engine), then an emf is generated across thecoil that is rotating in the magnetic field (the armature).