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4 March, 03:53

Select the correct answer.

A mixer-grinder has an efficiency of 65 percent. If the output work is 50 joules, what is the amount of input work required?

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Answers (1)
  1. 4 March, 04:05
    0
    Answer:77J in 2 s. f.

    Explanation:

    Use formula,

    E = (O / I) * 100%

    Where,

    E = efficiency

    O = Output

    I = Input
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