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# Voltage Sources vs. Current Sources

## Voltage and Current Sources

### Voltage Source

• A voltage source maintains a fixed supply voltage to an electrical circuit - independent of the circuit load resistance and the applied current.

### Current Source

• A current source maintains a fixed supply current through an electric circuit - independent of the circuit load resistance and applied voltage.

Note that real voltage and current sources have limits to the voltage/currents they can provide. A voltage source "prefer" open circuits (no connection between the poles) and current sources "prefer" closed circuits (short cuts).

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## Citation

• The Engineering ToolBox (2024). Voltage Sources vs. Current Sources. [online] Available at: https://www.engineeringtoolbox.com/voltage-source-vs-current-source-d_2232.html [Accessed Day Month Year].

Modify the access date according your visit.

4.10.13

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