Q:
Foil windings are used for distribution transformers _________________________
Answer & Explanation
Answer: D) not used
Explanation: Foil windings are frequently used as low-voltage windings. In this form of construction, the winding turn, of copper or aluminium foil, occupies the full width of the layer. This is wound around a plain mandrel, with intermediate layers of paper insulation, to form the required total number of turns for the winding.
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