Electric Machines Daily Quiz #27

The relation between Reluctance RL, Flux F and MMF is-

Which Law  states-  “if  the current  enters  through dot  in  one wdg, it  must  leave  from  the dot  in  the another  wdg  in  a transformer”  ? 

Magnetizing  current  of  a transformer  and  an auto  transformer  of  the same  rating  in  normal condions are  _______  and _______  of  full load  currents. 

No load  power  angle is  between _____  and is  nearly equal  to  _____. 

Core  loss  component  and  magnetizing  current  component  of  no  load  exciting  current  are  functions  of ____  & _____.