Electrical[edit | edit source]

A circuit is "[a] conductor or a system of conductors through which electric current flows."[1]

Electronics[edit | edit source]

See Integrated circuit.

Telecommunications[edit | edit source]

A circuit is the complete transmission path between two terminals over which one-way or two-way communication may be provided. A circuit may provide one or more channels.

A circuit is

an electrical connection whose voltage could be modulated on one end in ways that could be detected and interpreted on the other; thus the telegraph and the telephone. In a circuit, sender and receiver are directly connected in real time although neither need be human, as the invention of the facsimile proved.[2]

References[edit | edit source]

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