What multimedia element would enhance a speech about simple circuits?

A diagram of the three necessary components of a circuit.

Explanation:

While presenting a speech about simple circuits, a diagram of the three necessary components of a circuit would be the best multimedia element to enhance your speech.The three necessary components which are the source of voltage, the conductive path, and the resistor can be simply drawn to show the flow the circuit.Thus, it will help the listeners to clearly understand the basic structure and information of a simple circuit.