A drawing that traces the path that electron flow will take in an electronic circuit.
In an electronic circuit, electrons flow from the negative terminal of the power source (such as a battery) to the positive terminal
In an electronic circuit, electrons flow from the negative terminal of the power source (such as a battery) to the positive terminal. The path that these electrons take is known as the electron flow or current flow.
When representing this path in a drawing, we typically use arrows to show the direction of electron flow. The arrows point from the negative terminal of the power source towards the positive terminal.
To trace the path of electron flow in a simple circuit, we need to consider the components in the circuit. Let’s take a basic circuit with a battery, a switch, and a light bulb as an example.
1. Start by identifying the battery and label the positive and negative terminals. The positive terminal is typically represented by a longer line or a plus symbol (+), while the negative terminal is represented by a shorter line or a minus symbol (-).
2. Draw a line from the negative terminal of the battery to one terminal of the switch. This represents the flow of electrons leaving the negative terminal.
3. From the other terminal of the switch, draw another line to one terminal of the light bulb. This connects the circuit and allows electrons to flow through the switch and reach the light bulb.
4. From the other terminal of the light bulb, draw a line back to the positive terminal of the battery. This completes the circuit by connecting the positive terminal to the negative terminal, allowing electrons to flow continuously.
Make sure to label each component and the direction of electron flow (using arrows) to clearly represent the path taken by the electron flow in the circuit.
It’s important to note that the direction of electron flow is opposite to the direction of conventional current. Conventional current flow assumes that positive charges move from the positive terminal to the negative terminal. But in reality, it is the negatively charged electrons that flow in the opposite direction. However, for simplicity and convention, electron flow is represented from negative to positive in circuit diagrams.
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