The magnetic field which initially induces emf in the armature in a self excited dc generator is because of
Residual magnetism
The magnetic field which initially induces emf in the armature in a self excited dc generator is because of Residual magnetism.
Torque developed in an electromechanical energy conversion device depends upon
In electromechanical energy conversion devices (e.g generators and motors) a small air gap is left between the stator and the rotor in order to