Multiple choice general knowledge science & technology

The unit of energy in MKS system is..

  1. Volt

  2. Erg

  3. Ohm

  4. Joule
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In the MKS (meter-kilogram-second) system, joule is the standard unit of energy and work. Erg is the CGS (centimeter-gram-second) unit of energy. Volt is the unit of potential difference, and ohm is the unit of electrical resistance. Only joule represents energy in MKS.

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