A Wye-Delta Transformer Has a Turns Ratio of 2:1

question 12

Multiple Choice

A wye-delta transformer has a turns ratio of 2:1. It has a secondary line voltage of 480 V. The secondary is connected to a wye-connected three-phase resistive load of 50 Ω in each phase. What is the primary phase current?

• A) 1.6 A
• B) 1.924 A
• C) 2.77 A
• D) 3.2 A

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Definitions:

Psychoanalytic Approach

A theory in psychology proposed by Freud that emphasizes unconscious processes and childhood experiences in understanding human behavior.

Interpretation

A psychoanalyst’s search for symbolic, hidden meanings in what the client says and does during therapy.

Psychodynamic Perspective

A psychological approach that emphasizes the dynamic interplay of unconscious and conscious processes in shaping personality and behavior.

Unconscious Conflicts

Internal struggles within a person that stem from repressed thoughts, emotions, or desires that the conscious mind is unaware of.