Which one of the following is not a fundamental unit?
Correct answer: A. Erg
- A. Erg
- B. Meter
- C. Kelvin
- D. Ampere
Explanation
The erg is not a fundamental unit; it is a derived unit. The erg is a unit of energy and work in the centimeter-gram-second (CGS) system. In the International System of Units (SI), the fundamental unit of energy is the joule (J).
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