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  3. Study Set
    Conceptual Physics Study Set 1
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    Exam 7: Energy
  5. Question
    A Machine Puts Out 100 Watts of Power for Every
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A Machine Puts Out 100 Watts of Power for Every

Question 4

Question 4

Multiple Choice

A machine puts out 100 Watts of power for every 1000 Watts put into it.The efficiency of the machine is


A) 10%.
B) 50%.
C) 90%.
D) 110%.
E) none of these

Correct Answer:

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