The electric displacement of a winding in two-phase supply is-
90°
In the context of electrical machines and power systems, "electric displacement" in this context refers to the electrical phase angle difference between the voltages or currents supplied to different windings. This means that when the voltage (or current) in one phase is at its peak, the voltage (or current) in the other phase is at zero, and vice versa, with a specific leading or lagging relationship. Therefore, the correct answer is 90 °.
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