Circuit

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Circuit may refer to:

In government and law

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

In media

• Circuit (film), a 2001 gay-themed film set in the world of gay circuit parties
• "Circuit", a character from the Munna Bhai film series
• Circuital, a 2011 album by My Morning Jacket

In science and technology

In electrical engineering

• Electrical circuit, a complete electrical network with a closed loop giving a return path for current
  • Analog circuit and digital circuit, which use continuous and discrete signal levels, respectively
  • Electronic circuit, containing "active" (nonlinear) electronic components capable of performing amplification, computation, and data transfer
    • Asynchronous circuit and synchronous circuit, which differ depending on the presence of a clock signal
    • Integrated circuit, a set of electronic circuits on a small "chip" of semiconductor material
      • Mixed-signal integrated circuit, containing both analog and digital signals
  • Balanced circuit, in which paths are impedance-matched
  • 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, consisting of a resistance and a capacitance
    • RL circuit, consisting of a resistance and an inductance
    • RLC circuit, consisting of a resistance, an inductance, and a capacitance
  • Telecommunication circuit, on which information is transmitted
  • 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
  • Hydraulic analogy, an analogy for "electron fluid" in a metal conductor

In mathematics and computer science

• 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
• Matroid circuit, in combinatorics

In other sciences

• 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

In transportation and racing

• Circuit (airfield), also called pattern, a standard path followed by aircraft when taking off or landing
• Race track, e.g.:
  • Formula One circuits (see list of Formula One circuits)
  • Kart circuit, a race track designed for kart racing

Others uses

• Circuit (LCMS), a local grouping of congregations in the Lutheran Church–Missouri Synod
• Circuit party, a gay dance event
• Circuit training, a form of high-intensity aerobics
• Methodist Circuit, a form of church governance in Methodism

See also

• All pages beginning with "Circuit"
• All pages with titles containing circuit
• The Circuit (disambiguation)
• Cirkut