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Open Circuit Diagram

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Published on 2022-03-23
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The circuit diagram represents the components inside a device. Every circuit diagram represents a different device and its application. There are different types of circuits, including open, closed, and short circuits. An open circuit diagram is through which current cannot flow in an uninterrupted path. To secure the flow of current, the path must be flawless, but the current does not flow flawlessly in an open circuit. Let's understand more about it through the open circuit diagram.

Keep reading to learn more about how EdrawMax Online helps create Open Circuit Diagrams with free templates and design features.

1. Understanding Open Circuit Diagram

In the open circuit diagram, the circuit is open, and the current doesn't flow or pass through it. The circuit becomes open when the switch is OFF. Current flow through the circuit requires a closed path. If the path is open, the current flow does not happen. As the name open circuit denotes, they are open, which restricts the current flow throughout the device or the circuit. And the output, the bulb does not glow as there is current flow. The wires are externally connected in an open circuit.
Battery - It supplies the power to the complete system.
Capacitor - In the open circuit, the capacitor acts as a reservoir of electricity for the motor. It also serves the purpose of creating a poly-phase power supply from a single-phase power supply.
Resistor - In an open circuit, the resistor serves to absorb returned energy and prevent the breakage of the circuit or system.

2. How to Create an Open Circuit Diagram using EdrawMax Online?

Creating an open Circuit Diagram in EdrawMax Online is pretty simple. The free Electrical Circuit maker has several features as you can instantly import the images or icons from your system, Google Drive, or DropBox. Your Electrical Circuit diagram will require additional media content, making it more creative.

Login EdrawMax Online
Log in EdrawMax Online using your registered email address. If this is your first time accessing the tool, you can create your personalized account from your personal or professional email address.

Choose a template
EdrawMax Online comes with hundreds of free diagram templates. Select a pre-designed template by entering the Keyword in the "Search" section or exploring different diagram sets. In this case, you will find different types of Electrical Circuits diagrams under the "Electrical Engineering" section under the "Engineering" section. You will find different diagram sets, like Basic Electrical, Circuits and Logic, Industrial Control System, and Systems' Diagram. Alternatively, you can simply click on "+" in EdrawMax Online canvas to create a diagram of your preference.

Work on your research
As shown in the Open Circuit Diagram below, An open circuit implies that the two terminals are externally disconnected, equivalent to a resistance R=∞ . This means that zero current can flow between the two terminals, regardless of any voltage difference.

Customize the diagram
Customize your open Circuit diagrams by changing the color or adding more relevant data. Based on your research, you can also add or remove the Electrical Circuit symbols or content accordingly. Since it is about electrical engineering research, you can add more relevant data about different circuit diagrams.

Export & Share
Once your required circuit diagram is completed, you can share it amongst your colleagues or clients using the easy export and share option. You can further export the diagram in multiple formats, like Graphics, JPEG, PDF, or HTML. Also, you can share the designs on different social media platforms, like Facebook, Twitter, LinkedIn, or Line. In simple words, you can export your incredible open Circuit diagrams to the files you want with just a few clicks.

3. Important Tips to Consider While Creating Open Circuit Diagram
Creating an open circuit diagram is much easier than you think. It becomes easy if you understand the steps and the process involved. While designing this circuit, you may consider certain tips. Here are the tips in detail.

Always make sure to connect the circuit to the ground to avoid breakages and damages.
Check whether the switch is closed or open in the circuit as it differentiates the closed circuit from the open circuit.
Mark the value of each component used in the circuit.
Use separate colors for connections wherever needed to aid users in understanding the connection.
Always mention the result at the output terminal in this circuit diagram.


A simple light switch opens and closes the circuit that connects the light to a power source. In an open circuit diagram, the electric current does not flow from an active energy source to the connected load or other components due to the open path. It is recommended to use EdrawMax Online to create similar-looking circuit diagrams for your projects. It should be noted here that since these circuit diagrams are the blueprints of the actual working models, ensure that you use the correct symbols provided by EdrawMax Online.
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