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How is a heating heat pump's coefficient of performance defined?

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  1. Work input divided by heat delivered
  2. Heat delivered divided by work input
  3. Heat removed divided by absolute temperature

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References

  1. OpenStax University Physics Volume 2, Refrigerators and Heat Pumps openstax.org/books/university-physics-volume-2/pages/4-3-refrigerators-and-heat-pumps Checked 2026-10-12.

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