267. Two transformers of identical voltages but of different capacities are operating in parallel. For satisfactory load sharing
268. Supply to one terminal of a delta-wye connected three-phase core type transformer which is on no-load, fails. Assuming magnetic circuit symmetry, voltages on the secondary side will be
271. The efficiency of a 100 KVA transform is 0.98 at full as well as at half load. For this transformer at full load the copper loss.
273. A 10 kVA, 400 V/200V single phase transformer with 10% impedance draws a steady short circuit line current of
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