A single-phase transformer has 1000 turns on the primary and 200 turns on the secondary. The no load current is 3 A at a power factor of 0.2 lagging. The secondary current is 280 A at a power factor of 0.8 lagging. (a) Determine turns ratio, a. [Maximum Points: 7] (b) Determine the magnetizing current, 11 [Maximum Points: 8] (c) Determine the secondary current referred to the primary, 12. [Maximum Points: 9] (d) Determine the primary current, I. [Maximum Points: 9]