Electrical Machines
For an ideal transformer the winding should have

 maximum resistance on primary side and least resistance on secondary side
 equal resistance on primary and secondary side
 minimum resistance on primary side and maximum resistance on secondary side
 no ohmic resistance on either side

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.
All of these
 Field winding resistance should be less than critical resistance.

ANSWER DOWNLOAD EXAMIANS APP