Multiple choice general knowledge science & technology

which of the following ARE unit of energy?

  1. joule

  2. calorie

  3. kilowatt-hour

  4. watt

Reveal answer Fill a bubble to check yourself
A,B,C Correct answer
Explanation

Joule is the SI unit of energy. Calorie is a unit of thermal energy commonly used in nutrition. Kilowatt-hour is a unit of energy used for electricity billing (equal to 3.6 megajoules). Watt, however, is a unit of power (rate of energy use), not energy itself.