Question detail
If a device has an efficiency of 0.85, what percentage efficiency does it represent?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Conservation and dissipation of energy
Question
If a device has an efficiency of 0.85, what percentage efficiency does it represent?
Answer
An efficiency of 0.85 represents 85%.
Explanation
This question assesses the student's understanding of converting decimal efficiency values into percentage form, reinforcing their grasp of efficiency concepts.
Common mistake
Confusing Efficiency Representation
Students often express efficiency as a fraction instead of a decimal.
To express efficiency as a decimal, divide the useful energy output by the total energy input and ensure the result is in decimal form.
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