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17. When an industrial electrical circuit requires a 220 VAC single phase power supply, the electric power supply circuit is normally taken from

O A. a separate transformer feed.

O B. a single phase of a three-phase system and a ground wire.

O C. two of the three power feeds in a three-phase system.

O D. phase A of a delta connected to the neutral tap on windings B and C.

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Answers (1)
  1. 3 June, 00:40
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    Answer: B
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