Understanding Electric Circuits

The video tutorial explains the concept of an electric circuit, highlighting the importance of a complete, closed path for electric current to flow. It identifies the problem of an incomplete circuit and demonstrates how connecting a wire to the battery completes the circuit, allowing the bulb to light. The tutorial outlines the essential components of a circuit: a source of energy, a load, wires, and a switch. It emphasizes that electricity flows only in a closed circuit when the switch is on.

How does a circuit become complete?

What happens when the switch in a circuit is turned off?