Which of the following is not a unit of energy?
Correct answer: C. Kilowatt
- A. Calorie
- B. None of these
- C. Kilowatt
- D. Joule
Explanation
'Kilowatt' is a unit of power. Calorie and joule, on the other hand, are the units of energy where one calorie is equal to 4.18 J.
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About Measurements
Physical quantities are expressed with SI base and derived units, while measurement limits are described through accuracy, precision, absolute and percentage error, and significant figures. Dimensional analysis checks equations, derives relationships and detects inconsistent units, but it cannot determine numerical constants or distinguish quantities with identical dimensions.
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