A 230/460V transformer has a primary resistance of 0.2 Ω and a reactance of 0.5 Ω and the corresponding values for the secondary are 0.75 Ω and 1.8 Ω respectively. Find the secondary terminal voltage when supplying (a) 10 A at 0.8 Pf lagging. (b) 10 A at 0.8 Pf leading.
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