Updated: 04/30/2020 by Computer Hope

A circuit may refer to any of the following:

Close-up of a motherboard, showing capacitors, integrated circuits, and socket for processor

1. In electronics, a circuit is an electronic component consisting of a complete path: a voltage source and a load.

2. With a telephone and wireless communication, a circuit is a persistent and dedicated connection for transmitting data or voice information.

3. With power, a circuit or power circuit is a circuit that carries the load of power to appliances and devices on a line. In your home, the lighting outlets are power circuits because they only provide power when they are turned on.


A power circuit is different from a control circuit.

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