___________ is set during the manufacturing process and cannot be changed in the field

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Multiple Choice

___________ is set during the manufacturing process and cannot be changed in the field

Explanation:
Polarity is fixed by how the windings are laid out and labeled during manufacture. The winding direction and the dot convention establish which ends of the primary and secondary are in the same instantaneous polarity, so the phase relationship is set at the factory. In normal field work, changing this would require rewinding or replacing the transformer, which isn’t practical, so the polarity is treated as a non-changeable design feature.

Polarity is fixed by how the windings are laid out and labeled during manufacture. The winding direction and the dot convention establish which ends of the primary and secondary are in the same instantaneous polarity, so the phase relationship is set at the factory. In normal field work, changing this would require rewinding or replacing the transformer, which isn’t practical, so the polarity is treated as a non-changeable design feature.

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