Q.30 4 kVA, 200/100 V, 50 Hz single phase transformer has no load core loss of 450 W. If high voltage side is energized by 160 V, 40 Hz, the core loss will be 320 W. Find the
core loss if the high voltage side is energized by 100 V, 25 Hz.
Answer: (162.5)
Explanation:
