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 beA. 400 WB. 200 WC. 100 WD. 300 W

The efficiency of a transformer is 90%. The transformer is rated for o

1.	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 beA. 400 WB. 200 WC. 100 WD. 300 W
Answer» Correct Answer - C

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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 beA. 400 WB. 200 WC. 100 WD. 300 W

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