Electrical Machines
In an alternator, voltage drops occurs in

  armature resistance, leakage reactance and armature reaction.
  armature resistance, leakage reactance, armature reaction and earth connection.
  armature resistance and leakage reactance.
  armature resistance only.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
What is/are the necessary conditions for voltage build up in self excited generator?

 Field winding should be properly connected to armature winding.
 Poles should contain residual flux.
 Field winding resistance should be less than critical resistance.
All of these

ANSWER DOWNLOAD EXAMIANS APP