Draw the diagram of a closed electric circuit. Mark the direction in which the electrons will flow in this circuit. Also mark the conventional direction of flow of current.

Explanation

### Step-by-Step Solution:

**Step 1: Draw the Components of the Circuit**
- Begin by drawing a simple closed circuit. Include the following components:
- A battery (or cell)
- A bulb
- A switch (key)
- Connecting wires (conductors)
...