What do you understand by law of conservation of electric charge?

Explanation

### Step-by-Step Solution:

1. **Definition of the Law**: The law of conservation of electric charge states that electric charge cannot be created or destroyed. It can only be transferred from one body to another.

2. **Understanding Charge Transfer**: When two neutral bodies are rubbed together, electrons can move from one body to another. This movement of electrons leads to a change in the charge of both bodies.

3. **Example of Charge Transfer**:
- Consider two neutral bodies, Body 1 and Body 2.
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