If sequence currents I = 2 ∠- 90°, I = 0.2 ∠ 90° and I = 1.8 ∠ 90°, I =

If sequence currents I = 2 ∠- 90°, I = 0.2 ∠ 90° and I = 1.8 ∠

1.	If sequence currents I = 2 ∠- 90°, I = 0.2 ∠ 90° and I = 1.8 ∠ 90°, I =
Answer» Ia = Ia1 + Ia2 + Ia0 = 2∠-90 + 0.2∠90 + 1.8∠90° = 2∠-90° + 2∠90° = 0.