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Power and Efficiency
Worksheet
Grade Level
Physics
12.58 Power and Efficiency
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Use the planned work-time table. Which device has the greatest average power, and what misconception does the table warn against?
A
Device A; the shortest time always means the largest work.
B
Device D; the largest total work is not always the largest power.
C
Device B; the largest total work always means the largest power.
D
Device C; power depends only on work, not time.
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