If copper loss of transformer at 7/8thof full load is 4900
W, then full load copper loss would be
5600 W
6400 W
373 W
429 W
6400 W
Given
:
Copper
loss at 7/8thof full load = 4900 W
Copper loss at full load is given by,
(If= full load current and R = resistance)
Hence,
the correct option is (B).
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