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Q6. A single phase, 50 Hz transformer has primary 144 turnsand 432 secondary turns and a maximum flux of 7.5 mWb. The no load input is 0.24 kVA at 0.26 power factor lagging. The transformer supplies a 1.2 kVA load at a power factor of 0.8 lagging.

Calculate EACH of the following:

(a) The magnetizing current; (5)

(b) The primary current; (8)

(c) The primary power factor. (3)