Multiple choice general knowledge math & puzzles

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, the unit of energy is the Joule. Volt is for potential difference, Ohm is for resistance, and Erg is the unit of energy in the CGS (centimeter-gram-second) system, not MKS.