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A three-winding transformer is connected to an AC source with 50 V rms as shown in the following figure. Voltages induced in the secondary windings are 2 V rms and 8 V rms. The output rms voltage V0 is,

A three-winding transformer is connected to an AC source with 50 V rms as shown in the following figure. Voltages induced in the secondary windings are 2 V rms and 8 V rms. The output rms voltage V0 is, Correct Answer -6 V

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Transformer secondaries are connected in series. According to dots and polarity

The rms output voltage (V0) = 2 - 8 = -6 V

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