The efficiency of a transformer is 90%. The transformer is rated for output of 9000 W. If the primary voltage is 1000 V and resi

The efficiency of a transformer is 90%. The transformer is rated for output of 9000 W. If the primary voltage is 1000 V and resistance of primary is one ohm then the copper losses in the primary coil will be
A. 400 W
B. 200 W
C. 100 W
D. 300 W

The efficiency of a transformer is 90%. The transformer is rated for output of 9000 W. If the primary voltage is 1000 V and resistance of primary is o

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