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6 August, 03:27

Which statement best describes a device that has a high energy efficiency? Its ratio of energy absorbed to energy released is high. Its ratio of energy input to energy output is high. It wastes little energy. It wastes a lot of energy.

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  1. 6 August, 04:37
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    Answer: The answer is that it wastes little energy.
  2. 6 August, 05:46
    0
    It wastes little energy

    Explanation:

    The efficiency of a machine refers to the ratio of work output to the work input as a percentage. The efficiency of most machines is less than 100% because some work is lost due to friction and heat. Therefore, a machine with high efficiency has less wastage of energy due to factors such as friction of the moving parts. Conversely, low efficiency means there is more wastage of energy.
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