# Circuit

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*in Wiktionary, the free dictionary.***circuit****Circuit** may refer to:

## Science and technology[edit]

### Electrical engineering[edit]

- Electrical circuit, a complete electrical network with a closed-loop giving a return path for current
- Analog circuit, uses continuous signal levels
- Balanced circuit, paths are impedance-matched
- Circuit analysis, the process of finding the voltages across, and the currents through, every component in an electrical circuit
- Circuit diagram, a graphical representation of an electrical circuit
- Digital circuit, uses discrete signal levels
- Electronic circuit, contains "active" (nonlinear) electronic components capable of performing amplification, computation, and data transfer
- Asynchronous circuit, or self-timed circuit, a sequential digital logic circuit that is not governed by a clock circuit or global clock signal
- Integrated circuit, a set of electronic circuits on a small "chip" of semiconductor material
- Mixed-signal integrated circuit, contains both analog and digital signals

- Synchronous circuit, a digital circuit in which the changes in the state of memory elements are synchronized by a clock signal

- Printed circuit board, on which electronic components are supported and connected using copper tracks on a non-conductive substrate
- Series and parallel circuits, two ways in which electrical components may be interconnected
- Simple filters, including:
- LC circuit or tank circuit, consisting of an inductance and a capacitance
- RC circuit, comprises a resistance and a capacitance
- RL circuit, comprises a resistance and an inductance
- RLC circuit, comprises a resistance, an inductance, and a capacitance

- Telecommunication circuit, on which information is transmitted
- Nonlinear circuit, a circuit with nonlinear elements.

### Mathematics and computer science[edit]

- Circuit (computer theory), a theoretical structure simulating electrical and data paths
- Boolean circuit, a mathematical model for digital logic circuits
- Integer circuit, a mathematical object of computational complexity

- Circuit complexity, a branch of computational complexity theory
- Cycle (graph theory), a closed path, with no other repeated vertices than the starting and ending vertices
- Circuit of a matroid

### Other sciences[edit]

- Biological neural network, in neuroscience
- Hydraulic circuit, in fluid mechanics
- Magnetic circuit, in physics, one or more closed loop paths containing a magnetic flux
- Monetary circuit theory, a heterodox theory of monetary economics, also called
*circuitism* - Pneumatic circuit, in fluid mechanics
- Synthetic biological circuit, in synthetic biology

## Arts, entertainment, and media[edit]

*Circuit*(film), a 2001 gay-themed film set in the world of gay circuit parties*Mario Kart: Super Circuit*, a 2001 Game Boy Advance game and the third game in the*Mario Kart*series- "Circuit", a character from the
*Munna Bhai*film series - Circuit, a character from
*Power Rangers Time Force*

## Church[edit]

- Circuit (LCMS), a local grouping of congregations in the Lutheran Church–Missouri Synod
- Methodist Circuit, a form of church governance in Methodism

## Government and law[edit]

- Circuit (administrative division), an administrative country subdivision in East Asia
- Circuit court, the name of court systems in several common law jurisdictions

## Sports[edit]

- Circuit training, a form of high-intensity aerobics
- ITF Pro Circuit, pro tennis tours of the International Tennis Federation

## Transportation and racing[edit]

- Circuit (airfield), also called pattern, a standard path followed by aircraft when taking off or landing
- Circuit, a race track or one complete traverse of a track
- Formula One circuits (see list of Formula One circuits)
- Kart circuit, a race track designed for kart racing

## Other uses[edit]

- Circuit (software), a collaboration service software by Unify
- Circuit, slang for hangouts or events frequented by a given social circle
- Circuit party, a gay dance event

## See also[edit]

- All pages with titles beginning with
*Circuit* - All pages with titles containing
*circuit* *Circuital*, a 2011 album by My Morning Jacket- Cirkut
- The Circuit (disambiguation)