E5C03:Which of the following represents a pure inductive reactance in polar coordinates?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E5C03 is A positive 90 degree phase angle.

The key fact is A positive 90 degree phase angle. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.