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The full load voltage drop in a 1-phase transformer is 2% and 4% respectively due to resistance and leakage reactance. Then the voltage drop is zero at __________

The full load voltage drop in a 1-phase transformer is 2% and 4% respectively due to resistance and leakage reactance. Then the voltage drop is zero at __________ Correct Answer 0.9 lagging

Z = 4.47; cosθ = percentage x/percentage z = 4/4.47 = 0.89.

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