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A time of day meter registers energy in separate registers according to

  • A.whether the energy flows into or out of the consumer's premises
  • B.the phase of the supply through which the energy is taken
  • C.the period of the day in which it is consumed
  • D.the power factor at which each portion of the energy is drawn

Answer: C

Peak and off-peak energy have different costs to the supply, so separate registers allow separate tariffs and encourage consumers to shift load. A clock or an external signal switches the registers at the appointed hours.

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