Electric charge is a physical quantity of matter which causes it to experience a force when near other electrically charged matter.
It comes in two types, called positive and negative, and they interact as follows:
- Two positively charged bodies repel each other.
- Two negatively charged bodies repel each other.
- Positively charged and negatively charged bodies are attracted to one another.
In dimensional analysis it is assigned the symbol $Q$ or $\mathbf Q$.