3kW load is supplied by an autotransformer with 0.7 transformation ratio. Conductively transferred power from primary to secondary is

(A) 2.1 kW (B) 0.9 kW (C) 4.29 kW (D) 3 kW
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3kW load is supplied by an autotransformer with 0.7 transformation ratio. Conductively transferred power from primary to secondary is 2.1 kW

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