Transformer MCQ Part 6

A 480/1100 V transformer absorbs 250 W. What is the active component of current:

  1. 0.22 A
  2. 0.38 A
  3. 0.487 A
  4. 0.52 A

Correct answer: 4. 0.52 A

Solution: Active components of current = IW = W0/V1 = 250/480 = 0.52 A

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