A current transformer with 5 primary turns has a secondary burden consisting of resistance of 0.16 Ω and inductive reactance of 0.12Ω. When the primary current is 200 A, the magnetizing current is 1.5 A and the iron-loss component is 0.4 A. Determine the number of secondary turns needed to make the current ratio 100/1 and also the phase angle under these conditions.