Join Examsbook
605 0

Q:

A 40kVA transformer has core loss of 400 W & full load copper loss of 800 W. The proportion of full load at maximum efficiency is -

  • 1
    50%
  • 2
    62.3%
  • 3
    70.7%
  • 4
    100%
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "70.7%"

Are you sure

  Report Error

Please Enter Message
Error Reported Successfully