Q4) A 230/460-V transformer has a primary resistance of 0.2 2 and reactance of 0.8 and the corresponding values for the secondary are 0.6 2 and 1.6 2 respectively. Q4.1) The transformation ratio of the transformer = Q4.2) The total resistance and reactance of the transformer referred to secondary side ohms and ohms respectively. Q4.3) The voltage drop in the transformer referred to secondary = Volts Q4.4) The secondary terminal voltage when supplying 12A at 0.8 p.f. lagging = = Volts

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